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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3e4c0c4b-e710-42b7-9206-65b0838829ee | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-map-to-object.md | unknown | 743c9104-4891-4d4b-a8bd-47815d70c5f3 | 2 | SemanticChunker@1.0.0 | 8ccee1d58437df8b545bb6c1740ec453c3d4ebe05a28b339c8137a01fc8ac326 | [Convert a Map to an object > Convert an object to a Map]
## Convert an object to a Map
Similarly, using `Object.entries()`, we can convert an object to an **array of key-value pairs**. Then, we can use the `Map()` constructor to **convert the array to a Map**.
```js
const objectToMap = obj => new Map(Object.entries... | unknown | unknown | [Convert a Map to an object > Convert an object to a Map]
## Convert an object to a Map
Similarly, using `Object.entries()`, we can convert an object to an **array of key-value pairs**. Then, we can use the `Map()` constructor to **convert the array to a Map**.
```js
const objectToMap = obj => new Map(Object.entries... | [Convert a Map to an object > Convert an object to a Map]
## Convert an object to a Map
Similarly, using `Object.entries()`, we can convert an object to an **array of key-value pairs**. Then, we can use the `Map()` constructor to **convert the array to a Map**.
```js
const objectToMap = obj => new Map(Object.entries... | code_snippets | ||
7c180a86-b27a-4762-ac6a-6b50afe5a186 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-map-to-object.md | unknown | 743c9104-4891-4d4b-a8bd-47815d70c5f3 | 1 | SemanticChunker@1.0.0 | b1a7f85495c7f17a301e5ab8a2442f68d2c3388b0182f6990e3c5d506a5ec60f | [Convert a Map to an object]
## Convert a Map to an object
Using `Map.prototype.entries()`, we can convert a `Map` to an **array of key-value pairs**. Then, we can use `Object.fromEntries()` to convert the **array to an object**.
```js
const mapToObject = map => Object.fromEntries(map.entries());
mapToObject(new Ma... | unknown | unknown | [Convert a Map to an object]
## Convert a Map to an object
Using `Map.prototype.entries()`, we can convert a `Map` to an **array of key-value pairs**. Then, we can use `Object.fromEntries()` to convert the **array to an object**.
```js
const mapToObject = map => Object.fromEntries(map.entries());
mapToObject(new Ma... | [Convert a Map to an object]
## Convert a Map to an object
Using `Map.prototype.entries()`, we can convert a `Map` to an **array of key-value pairs**. Then, we can use `Object.fromEntries()` to convert the **array to an object**.
```js
const mapToObject = map => Object.fromEntries(map.entries());
mapToObject(new Ma... | code_snippets | ||
c548fd73-b2b5-4ca3-8d54-fb89382f918d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-map-to-object.md | unknown | 743c9104-4891-4d4b-a8bd-47815d70c5f3 | 0 | SemanticChunker@1.0.0 | 2a7d9e19e061f9482ef21a5af75bd7b93ee0707e355683bde88ef69c1b4cb76f | ---
title: How can I convert a Map to a JavaScript object and vice versa?
shortTitle: Map to object
language: javascript
tags: [object]
cover: yellow-shoes
excerpt: Learn how to convert between `Map`s and objects in JavaScript.
listed: true
dateModified: 2024-02-11
---
Oftentimes, when working with `Map` objects, we n... | unknown | unknown | ---
title: How can I convert a Map to a JavaScript object and vice versa?
shortTitle: Map to object
language: javascript
tags: [object]
cover: yellow-shoes
excerpt: Learn how to convert between `Map`s and objects in JavaScript.
listed: true
dateModified: 2024-02-11
---
Oftentimes, when working with `Map` objects, we n... | ---
title: How can I convert a Map to a JavaScript object and vice versa?
shortTitle: Map to object
language: javascript
tags: [object]
cover: yellow-shoes
excerpt: Learn how to convert between `Map`s and objects in JavaScript.
listed: true
dateModified: 2024-02-11
---
Oftentimes, when working with `Map` objects, we n... | code_snippets | ||
9ae3d447-c46f-41e1-8f4c-be3fd6c62566 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-degrees-radians.md | unknown | b48ee49c-5b2b-473a-8335-ade5ceea7d99 | 2 | SemanticChunker@1.0.0 | 1ba4891340a3f9359e1b5b6e6215e95079ea374d0e481e2a76da08cd1f5ea07d | [Degrees to radians > Radians to degrees]
## Radians to degrees
Conversely, the conversion formula from radians to degrees is `degrees = radians * 180.0 / Math.PI`.
<latex-expression>
```math
d = \frac{r \times 180}{\pi}
```
</latex-expression>
```js
const radsToDegrees = rad => (rad * 180.0) / Math.PI;
radsToDe... | unknown | unknown | [Degrees to radians > Radians to degrees]
## Radians to degrees
Conversely, the conversion formula from radians to degrees is `degrees = radians * 180.0 / Math.PI`.
<latex-expression>
```math
d = \frac{r \times 180}{\pi}
```
</latex-expression>
```js
const radsToDegrees = rad => (rad * 180.0) / Math.PI;
radsToDe... | [Degrees to radians > Radians to degrees]
## Radians to degrees
Conversely, the conversion formula from radians to degrees is `degrees = radians * 180.0 / Math.PI`.
<latex-expression>
```math
d = \frac{r \times 180}{\pi}
```
</latex-expression>
```js
const radsToDegrees = rad => (rad * 180.0) / Math.PI;
radsToDe... | code_snippets | ||
b1dac425-f76f-44d5-9f9b-3c308778f886 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-degrees-radians.md | unknown | b48ee49c-5b2b-473a-8335-ade5ceea7d99 | 1 | SemanticChunker@1.0.0 | e8e6913dee2c980f7ef578751eb64ce123de35c8d9e5333e917a6324f8aba48f | [Degrees to radians]
## Degrees to radians
JavaScript's `Math.PI` constant can be used to convert an angle from degrees to radians. The conversion formula is `radians = degrees * Math.PI / 180.0`.
<latex-expression>
```math
r = \frac{d \times \pi}{180}
```
</latex-expression>
```js
const degreesToRads = deg => (d... | unknown | unknown | [Degrees to radians]
## Degrees to radians
JavaScript's `Math.PI` constant can be used to convert an angle from degrees to radians. The conversion formula is `radians = degrees * Math.PI / 180.0`.
<latex-expression>
```math
r = \frac{d \times \pi}{180}
```
</latex-expression>
```js
const degreesToRads = deg => (d... | [Degrees to radians]
## Degrees to radians
JavaScript's `Math.PI` constant can be used to convert an angle from degrees to radians. The conversion formula is `radians = degrees * Math.PI / 180.0`.
<latex-expression>
```math
r = \frac{d \times \pi}{180}
```
</latex-expression>
```js
const degreesToRads = deg => (d... | code_snippets | ||
fb03b909-0c84-43b7-bda0-ddbfea799d79 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-degrees-radians.md | unknown | b48ee49c-5b2b-473a-8335-ade5ceea7d99 | 0 | SemanticChunker@1.0.0 | a55e1cca446a8a21e25c23ffde27274bd9ec5da444fc7e48e8acecb11134544e | ---
title: Convert between degrees and radians in JavaScript
shortTitle: Convert between degrees and radians
language: javascript
tags: [math]
cover: blue-flower
excerpt: Easily apply the degree to radian and radian to degree formulas.
listed: true
dateModified: 2023-09-15
--- | unknown | unknown | ---
title: Convert between degrees and radians in JavaScript
shortTitle: Convert between degrees and radians
language: javascript
tags: [math]
cover: blue-flower
excerpt: Easily apply the degree to radian and radian to degree formulas.
listed: true
dateModified: 2023-09-15
--- | ---
title: Convert between degrees and radians in JavaScript
shortTitle: Convert between degrees and radians
language: javascript
tags: [math]
cover: blue-flower
excerpt: Easily apply the degree to radian and radian to degree formulas.
listed: true
dateModified: 2023-09-15
--- | code_snippets | ||
147109fe-edbf-4ee5-91fc-920cf562fbf3 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cookies-local-storage-session.md | unknown | 5dda77be-a989-4473-b2fb-1b3012c95cf7 | 2 | SemanticChunker@1.0.0 | 46b1404de36badaf953b3f1119ee2b65f8a4bde10bf1e3fbefcc8ca584b92f12 | [Cookies > Local storage]
## Local storage
Local storage stores a larger amount of data on the client's computer in a key-value pair format and has no expiration date. Data is never transferred to the server and is accessible via JavaScript and HTML5.
- Capacity: 10MB
- Accessible from: Any window
- Expiration: Neve... | unknown | unknown | [Cookies > Local storage]
## Local storage
Local storage stores a larger amount of data on the client's computer in a key-value pair format and has no expiration date. Data is never transferred to the server and is accessible via JavaScript and HTML5.
- Capacity: 10MB
- Accessible from: Any window
- Expiration: Neve... | [Cookies > Local storage]
## Local storage
Local storage stores a larger amount of data on the client's computer in a key-value pair format and has no expiration date. Data is never transferred to the server and is accessible via JavaScript and HTML5.
- Capacity: 10MB
- Accessible from: Any window
- Expiration: Neve... | code_snippets | ||
965e45ea-e2ed-4308-b798-1537e993c707 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cookies-local-storage-session.md | unknown | 5dda77be-a989-4473-b2fb-1b3012c95cf7 | 1 | SemanticChunker@1.0.0 | 2fe6544a49c7852bd3a729176afaae4c3dd969d1870d4db7512531e1839022a3 | [Cookies]
## Cookies
Cookies store small amounts of data that has to be sent back to the server with subsequent requests and their expiration can be set from either server or client. They are primarily used for server-side reading.
- Capacity: 4KB
- Accessible from: Any window
- Expiration: Manually set
- Storage lo... | unknown | unknown | [Cookies]
## Cookies
Cookies store small amounts of data that has to be sent back to the server with subsequent requests and their expiration can be set from either server or client. They are primarily used for server-side reading.
- Capacity: 4KB
- Accessible from: Any window
- Expiration: Manually set
- Storage lo... | [Cookies]
## Cookies
Cookies store small amounts of data that has to be sent back to the server with subsequent requests and their expiration can be set from either server or client. They are primarily used for server-side reading.
- Capacity: 4KB
- Accessible from: Any window
- Expiration: Manually set
- Storage lo... | code_snippets | ||
a6491478-ec8e-4e16-b73f-61ef2e26de3d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cookies-local-storage-session.md | unknown | 5dda77be-a989-4473-b2fb-1b3012c95cf7 | 0 | SemanticChunker@1.0.0 | eae6b71384e92793999b3e3c757544d1d6d1ab2b014cf1a5cdb803451df5fa2b | ---
title: What is the difference between cookies, local storage, and session storage?
shortTitle: Cookies, local storage, and session storage
language: javascript
tags: [browser,webdev]
cover: three-vases
excerpt: Learn the difference between cookies, local storage and session storage and start using the correct optio... | unknown | unknown | ---
title: What is the difference between cookies, local storage, and session storage?
shortTitle: Cookies, local storage, and session storage
language: javascript
tags: [browser,webdev]
cover: three-vases
excerpt: Learn the difference between cookies, local storage and session storage and start using the correct optio... | ---
title: What is the difference between cookies, local storage, and session storage?
shortTitle: Cookies, local storage, and session storage
language: javascript
tags: [browser,webdev]
cover: three-vases
excerpt: Learn the difference between cookies, local storage and session storage and start using the correct optio... | code_snippets | ||
bf98ee02-24ae-49f4-a467-e5db53c2742e | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cookies-local-storage-session.md | unknown | 5dda77be-a989-4473-b2fb-1b3012c95cf7 | 3 | SemanticChunker@1.0.0 | b173e4f7079416de5bbd1e8901150c65c9a6a768fde10e96cfe9f0a2c71e1ae5 | [Cookies > Session storage]
## Session storage
Session storage stores a larger amount of data on the client's computer only for the current session, expiring the data on tab close. Data is never transferred to the server and is accessible client-side from the same tab.
- Capacity: 5MB
- Accessible from: Same tab
- E... | unknown | unknown | [Cookies > Session storage]
## Session storage
Session storage stores a larger amount of data on the client's computer only for the current session, expiring the data on tab close. Data is never transferred to the server and is accessible client-side from the same tab.
- Capacity: 5MB
- Accessible from: Same tab
- E... | [Cookies > Session storage]
## Session storage
Session storage stores a larger amount of data on the client's computer only for the current session, expiring the data on tab close. Data is never transferred to the server and is accessible client-side from the same tab.
- Capacity: 5MB
- Accessible from: Same tab
- E... | code_snippets | ||
15d24dbb-249c-4d1c-9a8b-303e9ffc4968 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-celsius-fahrenheit.md | unknown | 13e54d22-b5b7-4654-8bf5-cb7b83791a6f | 1 | SemanticChunker@1.0.0 | 6f4dc3015e348b81252d8c26dfb39bcf0ef1c846983e86254534860f99b77ff1 | [Celsius to Fahrenheit]
## Celsius to Fahrenheit
In order to convert from Celsius to Fahrenheit, you can use the conversion formula `F = 1.8 * C + 32`.
<latex-expression>
```math
F = 1.8 \times C + 32
```
</latex-expression>
```js
const celsiusToFahrenheit = degrees => 1.8 * degrees + 32;
celsiusToFahrenheit(33)... | unknown | unknown | [Celsius to Fahrenheit]
## Celsius to Fahrenheit
In order to convert from Celsius to Fahrenheit, you can use the conversion formula `F = 1.8 * C + 32`.
<latex-expression>
```math
F = 1.8 \times C + 32
```
</latex-expression>
```js
const celsiusToFahrenheit = degrees => 1.8 * degrees + 32;
celsiusToFahrenheit(33)... | [Celsius to Fahrenheit]
## Celsius to Fahrenheit
In order to convert from Celsius to Fahrenheit, you can use the conversion formula `F = 1.8 * C + 32`.
<latex-expression>
```math
F = 1.8 \times C + 32
```
</latex-expression>
```js
const celsiusToFahrenheit = degrees => 1.8 * degrees + 32;
celsiusToFahrenheit(33)... | code_snippets | ||
513bcca9-e102-445e-9d4c-f78300bd99a9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-celsius-fahrenheit.md | unknown | 13e54d22-b5b7-4654-8bf5-cb7b83791a6f | 0 | SemanticChunker@1.0.0 | 6888bce812a8e5c8f02bd6f715ef02aa54fa36cd3a624517c4af063efd3b64b1 | ---
title: Convert between Celsius and Fahrenheit in JavaScript
shortTitle: Convert between Celsius and Fahrenheit
language: javascript
tags: [math]
cover: golden-gate-bridge
excerpt: Easily apply the Celsius to Fahrenheit and Fahrenheit to Celsius formulas.
listed: false
dateModified: 2023-09-14
--- | unknown | unknown | ---
title: Convert between Celsius and Fahrenheit in JavaScript
shortTitle: Convert between Celsius and Fahrenheit
language: javascript
tags: [math]
cover: golden-gate-bridge
excerpt: Easily apply the Celsius to Fahrenheit and Fahrenheit to Celsius formulas.
listed: false
dateModified: 2023-09-14
--- | ---
title: Convert between Celsius and Fahrenheit in JavaScript
shortTitle: Convert between Celsius and Fahrenheit
language: javascript
tags: [math]
cover: golden-gate-bridge
excerpt: Easily apply the Celsius to Fahrenheit and Fahrenheit to Celsius formulas.
listed: false
dateModified: 2023-09-14
--- | code_snippets | ||
912c3433-2509-4056-bd31-e2aff9d4e842 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-celsius-fahrenheit.md | unknown | 13e54d22-b5b7-4654-8bf5-cb7b83791a6f | 2 | SemanticChunker@1.0.0 | abd490d583c4f2c80e77dd9a2fdd719f1d7feedb11584574fe516b7db7e59bee | [Celsius to Fahrenheit > Fahrenheit to Celsius]
## Fahrenheit to Celsius
Conversely, the conversion formula from Fahrenheit to Celsius is `C = (F - 32) * 5 / 9`.
<latex-expression>
```math
C = (F - 32) \times \frac{5}{9}
```
</latex-expression>
```js
const fahrenheitToCelsius = degrees => (degrees - 32) * 5 / 9;
... | unknown | unknown | [Celsius to Fahrenheit > Fahrenheit to Celsius]
## Fahrenheit to Celsius
Conversely, the conversion formula from Fahrenheit to Celsius is `C = (F - 32) * 5 / 9`.
<latex-expression>
```math
C = (F - 32) \times \frac{5}{9}
```
</latex-expression>
```js
const fahrenheitToCelsius = degrees => (degrees - 32) * 5 / 9;
... | [Celsius to Fahrenheit > Fahrenheit to Celsius]
## Fahrenheit to Celsius
Conversely, the conversion formula from Fahrenheit to Celsius is `C = (F - 32) * 5 / 9`.
<latex-expression>
```math
C = (F - 32) \times \frac{5}{9}
```
</latex-expression>
```js
const fahrenheitToCelsius = degrees => (degrees - 32) * 5 / 9;
... | code_snippets | ||
9c65829d-b5a8-4519-b36b-ecad9d9bff44 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-to-absolute-path.md | unknown | f1d09837-7926-476a-a567-cde01dd5223f | 0 | SemanticChunker@1.0.0 | f111399d32605fefd0e9caed761ade7e303de8a5ec804b9bbf82af0fafe03fb7 | ---
title: Convert a tilde path to an absolute path in Node.js
shortTitle: Convert to absolute path
language: javascript
tags: [node,string,regexp]
cover: lighthouse
excerpt: Ever wanted to convert a tilde path to an absolute path? Here's how you can do it in JavaScript.
listed: true
dateModified: 2024-03-19
---
Have ... | unknown | unknown | ---
title: Convert a tilde path to an absolute path in Node.js
shortTitle: Convert to absolute path
language: javascript
tags: [node,string,regexp]
cover: lighthouse
excerpt: Ever wanted to convert a tilde path to an absolute path? Here's how you can do it in JavaScript.
listed: true
dateModified: 2024-03-19
---
Have ... | ---
title: Convert a tilde path to an absolute path in Node.js
shortTitle: Convert to absolute path
language: javascript
tags: [node,string,regexp]
cover: lighthouse
excerpt: Ever wanted to convert a tilde path to an absolute path? Here's how you can do it in JavaScript.
listed: true
dateModified: 2024-03-19
---
Have ... | code_snippets | ||
148b39c7-8a33-45b4-b1a2-6f95fdcdfbc7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 6 | SemanticChunker@1.0.0 | eb59a9903aae1ec983a65e40206d5b40f3a1107f190d7fc9d6f08a77ff75d2f0 | [The spread operator > Object.assign()]
## Object.assign()
Finally, `Object.assign()` can be used in the exact same way as it's used to create a clone of an object, but for an array instead.
```js
let x = [1, 2, 3, 4];
let y = Object.assign([], x);
``` | unknown | unknown | [The spread operator > Object.assign()]
## Object.assign()
Finally, `Object.assign()` can be used in the exact same way as it's used to create a clone of an object, but for an array instead.
```js
let x = [1, 2, 3, 4];
let y = Object.assign([], x);
``` | [The spread operator > Object.assign()]
## Object.assign()
Finally, `Object.assign()` can be used in the exact same way as it's used to create a clone of an object, but for an array instead.
```js
let x = [1, 2, 3, 4];
let y = Object.assign([], x);
``` | code_snippets | ||
2b712df3-73a8-496a-a0dd-e63fd5d6140f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 2 | SemanticChunker@1.0.0 | f30df8ac19f2ea83d824e827af349afd8d3808ae0bea7cfe6489dde55c09fd29 | [The spread operator > Array.from()]
## Array.from()
`Array.from()` has a very powerful API that can be used for many different things, including creating a copy of an array.
```js
let x = [1, 2, 3, 4];
let y = Array.from(x);
``` | unknown | unknown | [The spread operator > Array.from()]
## Array.from()
`Array.from()` has a very powerful API that can be used for many different things, including creating a copy of an array.
```js
let x = [1, 2, 3, 4];
let y = Array.from(x);
``` | [The spread operator > Array.from()]
## Array.from()
`Array.from()` has a very powerful API that can be used for many different things, including creating a copy of an array.
```js
let x = [1, 2, 3, 4];
let y = Array.from(x);
``` | code_snippets | ||
3c9db5a9-8fca-4987-bdc1-c3471567a347 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 4 | SemanticChunker@1.0.0 | ed5edf4031ae7e9d090e23698b9808be2f7cbc97ef28d5d4c87e2d24dd7992de | [The spread operator > Array.prototype.map()]
## Array.prototype.map()
Looking into one of the more unorthodox options, `Array.prototype.map()` can be used to map each element of an array to itself to create a new array.
```js
let x = [1, 2, 3, 4];
let y = x.map(i => i);
``` | unknown | unknown | [The spread operator > Array.prototype.map()]
## Array.prototype.map()
Looking into one of the more unorthodox options, `Array.prototype.map()` can be used to map each element of an array to itself to create a new array.
```js
let x = [1, 2, 3, 4];
let y = x.map(i => i);
``` | [The spread operator > Array.prototype.map()]
## Array.prototype.map()
Looking into one of the more unorthodox options, `Array.prototype.map()` can be used to map each element of an array to itself to create a new array.
```js
let x = [1, 2, 3, 4];
let y = x.map(i => i);
``` | code_snippets | ||
412211fe-c4d6-4d76-9d65-63dfd20e2e0c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 5 | SemanticChunker@1.0.0 | 6f8fbd03ccecc07056012e661d566a38f618660505e440d25f3f9a7fed9608ce | [The spread operator > Array.prototype.filter()]
## Array.prototype.filter()
Similarly, `Array.prototype.filter()` can be used to return `true` for each and every element, resulting in a new array with all of the original array's elements.
```js
let x = [1, 2, 3, 4];
let y = x.filter(() => true);
``` | unknown | unknown | [The spread operator > Array.prototype.filter()]
## Array.prototype.filter()
Similarly, `Array.prototype.filter()` can be used to return `true` for each and every element, resulting in a new array with all of the original array's elements.
```js
let x = [1, 2, 3, 4];
let y = x.filter(() => true);
``` | [The spread operator > Array.prototype.filter()]
## Array.prototype.filter()
Similarly, `Array.prototype.filter()` can be used to return `true` for each and every element, resulting in a new array with all of the original array's elements.
```js
let x = [1, 2, 3, 4];
let y = x.filter(() => true);
``` | code_snippets | ||
561bcfa3-96ce-485e-81a8-cf03a18a02c0 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 3 | SemanticChunker@1.0.0 | b1309762ceed971b5ad4d01679321cb526a1d7c36b032d9e704f18db8f6d2794 | [The spread operator > Array.prototype.slice()]
## Array.prototype.slice()
Similarly to the spread operator, `Array.prototype.slice()` can be used to create a shallow copy of an array.
```js
let x = [1, 2, 3, 4];
let y = x.slice();
``` | unknown | unknown | [The spread operator > Array.prototype.slice()]
## Array.prototype.slice()
Similarly to the spread operator, `Array.prototype.slice()` can be used to create a shallow copy of an array.
```js
let x = [1, 2, 3, 4];
let y = x.slice();
``` | [The spread operator > Array.prototype.slice()]
## Array.prototype.slice()
Similarly to the spread operator, `Array.prototype.slice()` can be used to create a shallow copy of an array.
```js
let x = [1, 2, 3, 4];
let y = x.slice();
``` | code_snippets | ||
7df3735d-3b98-4e4d-a575-d6d50f68d2a7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 0 | SemanticChunker@1.0.0 | 1a251b069efc46c2dbba5ea8e4cf2e3794321aadcbe7a913f164b44be607cba6 | ---
title: How can I clone an array in JavaScript?
shortTitle: Clone an array
language: javascript
tags: [array]
cover: colorful-plastic
excerpt: Pick up a few new tricks which you can use to clone arrays in JavaScript.
listed: true
dateModified: 2021-06-12
---
JavaScript provides quite a few ways to clone an array, m... | unknown | unknown | ---
title: How can I clone an array in JavaScript?
shortTitle: Clone an array
language: javascript
tags: [array]
cover: colorful-plastic
excerpt: Pick up a few new tricks which you can use to clone arrays in JavaScript.
listed: true
dateModified: 2021-06-12
---
JavaScript provides quite a few ways to clone an array, m... | ---
title: How can I clone an array in JavaScript?
shortTitle: Clone an array
language: javascript
tags: [array]
cover: colorful-plastic
excerpt: Pick up a few new tricks which you can use to clone arrays in JavaScript.
listed: true
dateModified: 2021-06-12
---
JavaScript provides quite a few ways to clone an array, m... | code_snippets | ||
b009ecdf-3e5d-4b85-87bd-54fad564f860 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 7 | SemanticChunker@1.0.0 | be95957ecb0ac6a313c11d92f70f098b29d4dd6052202f52d8aa5b5de2cd3298 | [The spread operator > structuredClone()]
## structuredClone()
<baseline-support featureId="structured-clone">
</baseline-support>
If you're looking to clone an array that contains objects, functions or class instances, you can use the `structuredClone()` global function, which can be used to deep clone objects.
``... | unknown | unknown | [The spread operator > structuredClone()]
## structuredClone()
<baseline-support featureId="structured-clone">
</baseline-support>
If you're looking to clone an array that contains objects, functions or class instances, you can use the `structuredClone()` global function, which can be used to deep clone objects.
``... | [The spread operator > structuredClone()]
## structuredClone()
<baseline-support featureId="structured-clone">
</baseline-support>
If you're looking to clone an array that contains objects, functions or class instances, you can use the `structuredClone()` global function, which can be used to deep clone objects.
``... | code_snippets | ||
effa991a-0231-4ede-b3c0-bdce07615bfb | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-array.md | unknown | e70f3034-9438-4175-93be-19acf10fd5ee | 1 | SemanticChunker@1.0.0 | 0b804cd3ff75b3750396c4e1d8d673d7e42fdf3e23b349558a2a4c706bf2a945 | [The spread operator]
## The spread operator
ES6 introduced the spread operator (`...`), which provides probably the easiest and most common way to create a shallow clone of an array.
```js
let x = [1, 2, 3, 4];
let y = [...x];
``` | unknown | unknown | [The spread operator]
## The spread operator
ES6 introduced the spread operator (`...`), which provides probably the easiest and most common way to create a shallow clone of an array.
```js
let x = [1, 2, 3, 4];
let y = [...x];
``` | [The spread operator]
## The spread operator
ES6 introduced the spread operator (`...`), which provides probably the easiest and most common way to create a shallow clone of an array.
```js
let x = [1, 2, 3, 4];
let y = [...x];
``` | code_snippets | ||
457160da-2196-4339-8df9-291036fb26ad | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-miles-km.md | unknown | f6672a88-de00-4be5-b782-5026a28234cd | 0 | SemanticChunker@1.0.0 | 727b5c92efbae6f38ff9342c6a01cf37065ecc5fc77904b59f71b6d7288b2a39 | ---
title: Convert between miles and kilometers in JavaScript
shortTitle: Convert between miles and kilometers
language: javascript
tags: [math]
cover: rocky-beach-2
excerpt: Easily apply the mile to kilometer and kilometer to mile formulas.
listed: false
dateModified: 2023-09-13
--- | unknown | unknown | ---
title: Convert between miles and kilometers in JavaScript
shortTitle: Convert between miles and kilometers
language: javascript
tags: [math]
cover: rocky-beach-2
excerpt: Easily apply the mile to kilometer and kilometer to mile formulas.
listed: false
dateModified: 2023-09-13
--- | ---
title: Convert between miles and kilometers in JavaScript
shortTitle: Convert between miles and kilometers
language: javascript
tags: [math]
cover: rocky-beach-2
excerpt: Easily apply the mile to kilometer and kilometer to mile formulas.
listed: false
dateModified: 2023-09-13
--- | code_snippets | ||
cd64ef70-5f01-4741-a65f-cfa5dc634db3 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-miles-km.md | unknown | f6672a88-de00-4be5-b782-5026a28234cd | 2 | SemanticChunker@1.0.0 | 6bdf84a6f03479e2ac85761192133e19ecab91bf238c0888a6bb51d21bf6e484 | [Miles to kilometers > Kilometers to miles]
## Kilometers to miles
Conversely, the conversion formula from kilometers to miles is `mi = km * 0.621371`.
<latex-expression>
```math
mi = km \times 0.621371
```
</latex-expression>
```js
const kmToMiles = km => km * 0.621371;
kmToMiles(8.1) // 5.0331051
``` | unknown | unknown | [Miles to kilometers > Kilometers to miles]
## Kilometers to miles
Conversely, the conversion formula from kilometers to miles is `mi = km * 0.621371`.
<latex-expression>
```math
mi = km \times 0.621371
```
</latex-expression>
```js
const kmToMiles = km => km * 0.621371;
kmToMiles(8.1) // 5.0331051
``` | [Miles to kilometers > Kilometers to miles]
## Kilometers to miles
Conversely, the conversion formula from kilometers to miles is `mi = km * 0.621371`.
<latex-expression>
```math
mi = km \times 0.621371
```
</latex-expression>
```js
const kmToMiles = km => km * 0.621371;
kmToMiles(8.1) // 5.0331051
``` | code_snippets | ||
cffc027b-aa06-4618-a29f-ecb80a350d63 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-miles-km.md | unknown | f6672a88-de00-4be5-b782-5026a28234cd | 1 | SemanticChunker@1.0.0 | cd6ba01fa909987a5a73d3d5965797e04f9cd17c195ea4daac42fcb6ddd000f0 | [Miles to kilometers]
## Miles to kilometers
In order to convert from miles to kilometers, you can use the conversion formula `km = mi * 1.609344`.
<latex-expression>
```math
km = mi \times 1.609344
```
</latex-expression>
```js
const milesToKm = miles => miles * 1.609344;
milesToKm(5); // ~8.04672
``` | unknown | unknown | [Miles to kilometers]
## Miles to kilometers
In order to convert from miles to kilometers, you can use the conversion formula `km = mi * 1.609344`.
<latex-expression>
```math
km = mi \times 1.609344
```
</latex-expression>
```js
const milesToKm = miles => miles * 1.609344;
milesToKm(5); // ~8.04672
``` | [Miles to kilometers]
## Miles to kilometers
In order to convert from miles to kilometers, you can use the conversion formula `km = mi * 1.609344`.
<latex-expression>
```math
km = mi \times 1.609344
```
</latex-expression>
```js
const milesToKm = miles => miles * 1.609344;
milesToKm(5); // ~8.04672
``` | code_snippets | ||
44b7d4fe-ebec-4047-b1c9-67f6688560dc | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/construct-url.md | unknown | b2d13afa-2b40-431c-bcd0-a2b448226f1b | 0 | SemanticChunker@1.0.0 | 51033fa8f6e2d972273ac5f1a0b2f6cb8a934d11af2eaa762082bb41acaa1e82 | ---
title: How to construct a URL in JavaScript
shortTitle: Construct a URL in JavaScript
language: javascript
tags: [string,browser]
cover: alfama
excerpt: A short guide on how to correctly construct a URL in JavaScript.
listed: true
dateModified: 2023-02-26
---
Oftentimes, we need to **create a URL in JavaScript**, ... | unknown | unknown | ---
title: How to construct a URL in JavaScript
shortTitle: Construct a URL in JavaScript
language: javascript
tags: [string,browser]
cover: alfama
excerpt: A short guide on how to correctly construct a URL in JavaScript.
listed: true
dateModified: 2023-02-26
---
Oftentimes, we need to **create a URL in JavaScript**, ... | ---
title: How to construct a URL in JavaScript
shortTitle: Construct a URL in JavaScript
language: javascript
tags: [string,browser]
cover: alfama
excerpt: A short guide on how to correctly construct a URL in JavaScript.
listed: true
dateModified: 2023-02-26
---
Oftentimes, we need to **create a URL in JavaScript**, ... | code_snippets | ||
6dc049e7-9b6e-4948-bc81-43e90bb74452 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/construct-url.md | unknown | b2d13afa-2b40-431c-bcd0-a2b448226f1b | 1 | SemanticChunker@1.0.0 | d67b8b452a8ffbedf5fd0b8d3f9f43ba9b3b4d8b0c7aa4b16850f5716f90c208 | Surely, this dealt with encoding, but the multiline string has sneaked a newline character (`\n`) into the URL. This is because template literals preserve whitespace, leading to such issues. Breaking the string into multiple lines and concatenating them can help, but the code is starting to get ugly.
Obviously, there ... | unknown | unknown | Surely, this dealt with encoding, but the multiline string has sneaked a newline character (`\n`) into the URL. This is because template literals preserve whitespace, leading to such issues. Breaking the string into multiple lines and concatenating them can help, but the code is starting to get ugly.
Obviously, there ... | Surely, this dealt with encoding, but the multiline string has sneaked a newline character (`\n`) into the URL. This is because template literals preserve whitespace, leading to such issues. Breaking the string into multiple lines and concatenating them can help, but the code is starting to get ugly.
Obviously, there ... | code_snippets | ||
8f376e15-3234-4d18-bdf3-565938369bd1 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-sign-to-number.md | unknown | 20476764-853a-4d52-945b-2621351818c7 | 0 | SemanticChunker@1.0.0 | 74cfd18d83840c4b13190352d645f797679b54da4fc652a8101d71be132b48d6 | ---
title: Copy sign from one number to another in JavaScript
shortTitle: Copy sign to number
language: javascript
tags: [math]
cover: cloudy-mountaintop
excerpt: Copy the sign of one number to another without changing its absolute value.
listed: true
dateModified: 2024-05-28
---
If you've ever worked extensively with... | unknown | unknown | ---
title: Copy sign from one number to another in JavaScript
shortTitle: Copy sign to number
language: javascript
tags: [math]
cover: cloudy-mountaintop
excerpt: Copy the sign of one number to another without changing its absolute value.
listed: true
dateModified: 2024-05-28
---
If you've ever worked extensively with... | ---
title: Copy sign from one number to another in JavaScript
shortTitle: Copy sign to number
language: javascript
tags: [math]
cover: cloudy-mountaintop
excerpt: Copy the sign of one number to another without changing its absolute value.
listed: true
dateModified: 2024-05-28
---
If you've ever worked extensively with... | code_snippets | ||
1dd6567a-2926-41e6-8b35-06e6c3bbb846 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 6 | SemanticChunker@1.0.0 | 2cbc7a7ce24ec66f42a375a92fafb3011177e0b1c69e5db18b9a4f513b125262 | [Object to CSV > Object serialization]
#### Object serialization
Now that we have the headers, we can use them to serialize the objects into CSV. In order to allow for more flexibility, we'll pass the headers as an argument to the function. This way, we can **omit headers or include only specific ones**. The default ... | unknown | unknown | [Object to CSV > Object serialization]
#### Object serialization
Now that we have the headers, we can use them to serialize the objects into CSV. In order to allow for more flexibility, we'll pass the headers as an argument to the function. This way, we can **omit headers or include only specific ones**. The default ... | [Object to CSV > Object serialization]
#### Object serialization
Now that we have the headers, we can use them to serialize the objects into CSV. In order to allow for more flexibility, we'll pass the headers as an argument to the function. This way, we can **omit headers or include only specific ones**. The default ... | code_snippets | ||
220331dd-5929-4a16-9d9b-4961a08b2117 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 7 | SemanticChunker@1.0.0 | fb704ebe9b2b160a69d9d441d58e126d47f73bc62ac048536929cf37d2a3b54b | [Array to CSV > JSON to CSV]
### JSON to CSV
Converting **JSON data** to CSV is a simple extension of the previous functions. We can parse the JSON data into an array of objects and then use the `objectToCSV` function to serialize it.
```js
const JSONToCSV = (json, headers, omitHeaders) =>
objectToCSV(JSON.parse(js... | unknown | unknown | [Array to CSV > JSON to CSV]
### JSON to CSV
Converting **JSON data** to CSV is a simple extension of the previous functions. We can parse the JSON data into an array of objects and then use the `objectToCSV` function to serialize it.
```js
const JSONToCSV = (json, headers, omitHeaders) =>
objectToCSV(JSON.parse(js... | [Array to CSV > JSON to CSV]
### JSON to CSV
Converting **JSON data** to CSV is a simple extension of the previous functions. We can parse the JSON data into an array of objects and then use the `objectToCSV` function to serialize it.
```js
const JSONToCSV = (json, headers, omitHeaders) =>
objectToCSV(JSON.parse(js... | code_snippets | ||
246c5492-5951-461a-bd2b-be535d62d037 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 8 | SemanticChunker@1.0.0 | 8db6f374ddc3132609df13597a4175cbb395b8af8e16f2ad34cd90f52cda8a4c | [Converting to CSV > Parsing CSV]
## Parsing CSV
Parsing CSV data back into arrays or objects can be trickier than serialization. The same **edge cases** need to be handled when deserializing the data. Let's focus on **row deserialization** first. While we can use regular expressions for a more elegant solution, we'l... | unknown | unknown | [Converting to CSV > Parsing CSV]
## Parsing CSV
Parsing CSV data back into arrays or objects can be trickier than serialization. The same **edge cases** need to be handled when deserializing the data. Let's focus on **row deserialization** first. While we can use regular expressions for a more elegant solution, we'l... | [Converting to CSV > Parsing CSV]
## Parsing CSV
Parsing CSV data back into arrays or objects can be trickier than serialization. The same **edge cases** need to be handled when deserializing the data. Let's focus on **row deserialization** first. While we can use regular expressions for a more elegant solution, we'l... | code_snippets | ||
542f9292-3e65-4ef4-8e47-787d15ae981a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 1 | SemanticChunker@1.0.0 | 176898715514684000910c998005f35d03a0e2687a7b1c219c879332967d37ae | [Converting to CSV]
## Converting to CSV
**Serializing data** to CSV is generally straightforward. Using `Array.prototype.join()` with a delimiter of your choice, you can easily create a single **row from an array of values**.
```js
const serializeRow = (row, delimiter = ',') => row.join(delimiter);
serializeRow(['... | unknown | unknown | [Converting to CSV]
## Converting to CSV
**Serializing data** to CSV is generally straightforward. Using `Array.prototype.join()` with a delimiter of your choice, you can easily create a single **row from an array of values**.
```js
const serializeRow = (row, delimiter = ',') => row.join(delimiter);
serializeRow(['... | [Converting to CSV]
## Converting to CSV
**Serializing data** to CSV is generally straightforward. Using `Array.prototype.join()` with a delimiter of your choice, you can easily create a single **row from an array of values**.
```js
const serializeRow = (row, delimiter = ',') => row.join(delimiter);
serializeRow(['... | code_snippets | ||
5b233a23-c9f6-41ed-ad81-af1e1c990a10 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 4 | SemanticChunker@1.0.0 | 38a787a1f49848db877f81bf25bd215d6669479dff86388aded08b6c203d254c | [Array to CSV > Object to CSV]
### Object to CSV
Converting JavaScript **objects** to CSV is a bit more involved. As objects contain **key-value pairs**, we need to serialize the values in the correct order based on the keys. We can either use a **predefined list of keys** or **extract them from the objects** themsel... | unknown | unknown | [Array to CSV > Object to CSV]
### Object to CSV
Converting JavaScript **objects** to CSV is a bit more involved. As objects contain **key-value pairs**, we need to serialize the values in the correct order based on the keys. We can either use a **predefined list of keys** or **extract them from the objects** themsel... | [Array to CSV > Object to CSV]
### Object to CSV
Converting JavaScript **objects** to CSV is a bit more involved. As objects contain **key-value pairs**, we need to serialize the values in the correct order based on the keys. We can either use a **predefined list of keys** or **extract them from the objects** themsel... | code_snippets | ||
61d9f59c-ba7c-4506-8276-6e1c5f9619c4 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 3 | SemanticChunker@1.0.0 | 85c30e504bc57efc2b141becd659ac8c1a03d3cab4666a445880e4113740f9dd | [Converting to CSV > Array to CSV]
### Array to CSV
Serializing an **array of values** into CSV is essentially just moving from one dimension to two. We can use `Array.prototype.map()` to serialize each row and then join them together with **newline characters** (`\n`).
```js
const arrayToCSV = (arr, delimiter = ','... | unknown | unknown | [Converting to CSV > Array to CSV]
### Array to CSV
Serializing an **array of values** into CSV is essentially just moving from one dimension to two. We can use `Array.prototype.map()` to serialize each row and then join them together with **newline characters** (`\n`).
```js
const arrayToCSV = (arr, delimiter = ','... | [Converting to CSV > Array to CSV]
### Array to CSV
Serializing an **array of values** into CSV is essentially just moving from one dimension to two. We can use `Array.prototype.map()` to serialize each row and then join them together with **newline characters** (`\n`).
```js
const arrayToCSV = (arr, delimiter = ','... | code_snippets | ||
83521b4a-fd74-4e08-96cd-979f2d7a3407 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 5 | SemanticChunker@1.0.0 | 3bcce0b3cb996fa959900549a70ce96fa28594cf9bb3f7264d3cda3862d7cd0a | [Object to CSV > Header extraction]
#### Header extraction
In short, extracting the header row from the objects involves collecting all **unique keys** from the objects. We can achieve this by using `Array.prototype.reduce()` and a `Set` to keep track of the unique keys.
```js
const extractHeaders = (arr) =>
[...ar... | unknown | unknown | [Object to CSV > Header extraction]
#### Header extraction
In short, extracting the header row from the objects involves collecting all **unique keys** from the objects. We can achieve this by using `Array.prototype.reduce()` and a `Set` to keep track of the unique keys.
```js
const extractHeaders = (arr) =>
[...ar... | [Object to CSV > Header extraction]
#### Header extraction
In short, extracting the header row from the objects involves collecting all **unique keys** from the objects. We can achieve this by using `Array.prototype.reduce()` and a `Set` to keep track of the unique keys.
```js
const extractHeaders = (arr) =>
[...ar... | code_snippets | ||
9f1ca008-ad6f-443f-a427-f3fdef088d9a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 13 | SemanticChunker@1.0.0 | 3ef058c1dd337168f98bcfa2af98ac188bb579d4b5e6f1151ea7801486c1afb9 | [Converting to CSV > Summary]
## Summary
This guide covered **most of the groundwork** necessary to convert between CSV data and JavaScript arrays, objects, or JSON. The provided functions can be **customized or extended**, depending on your specific needs. Remember that CSV is **not a standardized format**, so you m... | unknown | unknown | [Converting to CSV > Summary]
## Summary
This guide covered **most of the groundwork** necessary to convert between CSV data and JavaScript arrays, objects, or JSON. The provided functions can be **customized or extended**, depending on your specific needs. Remember that CSV is **not a standardized format**, so you m... | [Converting to CSV > Summary]
## Summary
This guide covered **most of the groundwork** necessary to convert between CSV data and JavaScript arrays, objects, or JSON. The provided functions can be **customized or extended**, depending on your specific needs. Remember that CSV is **not a standardized format**, so you m... | code_snippets | ||
a0c63558-377f-47dd-b453-f0257ca7804c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 11 | SemanticChunker@1.0.0 | 1e0ee9f5616fbbc1ee8675f3f726d7f9cc4875892e64b1d1a43ade91c27afad2 | [Parsing CSV > CSV to object]
### CSV to object
Converting CSV data into **objects** needs a couple of extra steps. We need to **extract the header row** to use as keys for the objects. We can then use these keys to create objects for each row. We'll use the same `deserializeRow` function to extract the values for ea... | unknown | unknown | [Parsing CSV > CSV to object]
### CSV to object
Converting CSV data into **objects** needs a couple of extra steps. We need to **extract the header row** to use as keys for the objects. We can then use these keys to create objects for each row. We'll use the same `deserializeRow` function to extract the values for ea... | [Parsing CSV > CSV to object]
### CSV to object
Converting CSV data into **objects** needs a couple of extra steps. We need to **extract the header row** to use as keys for the objects. We can then use these keys to create objects for each row. We'll use the same `deserializeRow` function to extract the values for ea... | code_snippets | ||
b31838cc-dee7-4580-8ecc-9c0bad122881 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 12 | SemanticChunker@1.0.0 | 05aaead2c148a68c38f1f2a648e57e800ec107b466d9c569be125b86167d9678 | [Parsing CSV > CSV to JSON]
### CSV to JSON
Converting CSV data into **JSON** is a simple extension of the previous functions. We can use the `CSVtoObject` function to parse the CSV data into objects and then use `JSON.stringify` to serialize it.
```js
const CSVToJSON = (data, delimiter = ',') =>
JSON.stringify(CSV... | unknown | unknown | [Parsing CSV > CSV to JSON]
### CSV to JSON
Converting CSV data into **JSON** is a simple extension of the previous functions. We can use the `CSVtoObject` function to parse the CSV data into objects and then use `JSON.stringify` to serialize it.
```js
const CSVToJSON = (data, delimiter = ',') =>
JSON.stringify(CSV... | [Parsing CSV > CSV to JSON]
### CSV to JSON
Converting CSV data into **JSON** is a simple extension of the previous functions. We can use the `CSVtoObject` function to parse the CSV data into objects and then use `JSON.stringify` to serialize it.
```js
const CSVToJSON = (data, delimiter = ',') =>
JSON.stringify(CSV... | code_snippets | ||
c1819a3b-5969-4393-bb28-d1a55c7d0582 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 9 | SemanticChunker@1.0.0 | 1672e118197f9419e45eba5c9e8f941eca7b28234fadd5fb27a7c531cecab1ee | [Converting to CSV > Parsing CSV]
Having a function to deserialize a single row, we can now move on to deserializing the whole CSV data. We'll split the data into rows and use the `deserializeRow` function to extract the values.
> [!NOTE]
>
> **All values are strings after deserialization**. To convert them back to t... | unknown | unknown | [Converting to CSV > Parsing CSV]
Having a function to deserialize a single row, we can now move on to deserializing the whole CSV data. We'll split the data into rows and use the `deserializeRow` function to extract the values.
> [!NOTE]
>
> **All values are strings after deserialization**. To convert them back to t... | [Converting to CSV > Parsing CSV]
Having a function to deserialize a single row, we can now move on to deserializing the whole CSV data. We'll split the data into rows and use the `deserializeRow` function to extract the values.
> [!NOTE]
>
> **All values are strings after deserialization**. To convert them back to t... | code_snippets | ||
c45077b5-68a1-401d-9886-d3a2205afdcd | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 10 | SemanticChunker@1.0.0 | 87f7e083379202981b7e3af0cf29a6f572524444234038ef1baa1bbadef8d7a7 | [Parsing CSV > CSV to array]
### CSV to array
The previous function is a good starting point for deserializing CSV data into **arrays**. However, we might want to **omit the header row**. We can add an optional argument to the function to handle this.
```js
const CSVToArray = (data, delimiter = ',', omitHeader = fal... | unknown | unknown | [Parsing CSV > CSV to array]
### CSV to array
The previous function is a good starting point for deserializing CSV data into **arrays**. However, we might want to **omit the header row**. We can add an optional argument to the function to handle this.
```js
const CSVToArray = (data, delimiter = ',', omitHeader = fal... | [Parsing CSV > CSV to array]
### CSV to array
The previous function is a good starting point for deserializing CSV data into **arrays**. However, we might want to **omit the header row**. We can add an optional argument to the function to handle this.
```js
const CSVToArray = (data, delimiter = ',', omitHeader = fal... | code_snippets | ||
cbc85ed9-38d8-4efb-b43d-67bc9d69955d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 0 | SemanticChunker@1.0.0 | 162886beaf41d359cb6e470f9b86c12048ff7b86204a7818b21362fa5b601daf | ---
title: Convert between CSV and JavaScript arrays, objects or JSON
shortTitle: Convert between CSV and array, object or JSON
language: javascript
tags: [array,object,string]
cover: tropical-bike
excerpt: Serialize and deserialize CSV data in JavaScript with this in-depth guide.
listed: true
dateModified: 2024-06-08
... | unknown | unknown | ---
title: Convert between CSV and JavaScript arrays, objects or JSON
shortTitle: Convert between CSV and array, object or JSON
language: javascript
tags: [array,object,string]
cover: tropical-bike
excerpt: Serialize and deserialize CSV data in JavaScript with this in-depth guide.
listed: true
dateModified: 2024-06-08
... | ---
title: Convert between CSV and JavaScript arrays, objects or JSON
shortTitle: Convert between CSV and array, object or JSON
language: javascript
tags: [array,object,string]
cover: tropical-bike
excerpt: Serialize and deserialize CSV data in JavaScript with this in-depth guide.
listed: true
dateModified: 2024-06-08
... | code_snippets | ||
e6d3c2eb-3807-41d1-af38-c9881ccd2c16 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 14 | SemanticChunker@1.0.0 | 4fa4ac4c31776f2403fd2dc320d234edb599ca9c9ec8747ba2baacad5c74c411 | [Converting to CSV > Summary]
```
```js title="deserializeCSV.js"
const deserializeRow = (row, delimiter = ',') => {
const values = [];
let index = 0, matchStart = 0, isInsideQuotations = false;
while (true) {
if (index === row.length) {
values.push(row.slice(matchStart, index));
break;
}
const char = row[ind... | unknown | unknown | [Converting to CSV > Summary]
```
```js title="deserializeCSV.js"
const deserializeRow = (row, delimiter = ',') => {
const values = [];
let index = 0, matchStart = 0, isInsideQuotations = false;
while (true) {
if (index === row.length) {
values.push(row.slice(matchStart, index));
break;
}
const char = row[ind... | [Converting to CSV > Summary]
```
```js title="deserializeCSV.js"
const deserializeRow = (row, delimiter = ',') => {
const values = [];
let index = 0, matchStart = 0, isInsideQuotations = false;
while (true) {
if (index === row.length) {
values.push(row.slice(matchStart, index));
break;
}
const char = row[ind... | code_snippets | ||
f009aee5-66da-406b-9b62-34f1f1b4bf60 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/convert-csv-to-array-object-or-json.md | unknown | 01007903-e975-444a-aff9-b044d3b02a2e | 2 | SemanticChunker@1.0.0 | 8c2960881a59a2fc61efd9c7591292c43672f086626e9c9f8b714963dee37fc1 | [Converting to CSV]
```js
const isEmptyValue = value =>
value === null || value === undefined || Number.isNaN(value);
const serializeValue = (value, delimiter = ',') => {
if (isEmptyValue(value)) return '';
value = `${value}`;
if (
value.includes(delimiter) ||
value.includes('\n') ||
value.includes('"')
)
re... | unknown | unknown | [Converting to CSV]
```js
const isEmptyValue = value =>
value === null || value === undefined || Number.isNaN(value);
const serializeValue = (value, delimiter = ',') => {
if (isEmptyValue(value)) return '';
value = `${value}`;
if (
value.includes(delimiter) ||
value.includes('\n') ||
value.includes('"')
)
re... | [Converting to CSV]
```js
const isEmptyValue = value =>
value === null || value === undefined || Number.isNaN(value);
const serializeValue = (value, delimiter = ',') => {
if (isEmptyValue(value)) return '';
value = `${value}`;
if (
value.includes(delimiter) ||
value.includes('\n') ||
value.includes('"')
)
re... | code_snippets | ||
cf804ad9-f3a3-4c50-b70d-22914cd8e31c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/current-url.md | unknown | 00eb1418-9243-4727-9a64-65a96e6673aa | 0 | SemanticChunker@1.0.0 | 421bf07e54af7612be6508eca8cc260e77be904bef13c600bca98c467ad8beac | ---
title: How can I get the current URL in JavaScript?
shortTitle: Current URL
language: javascript
tags: [browser]
cover: purple-sunset-waves
excerpt: Learn a simple way to get the browser's current URL in JavaScript.
listed: true
dateModified: 2023-10-19
---
As mentioned in the [Window.location Cheat Sheet](/js/s/w... | unknown | unknown | ---
title: How can I get the current URL in JavaScript?
shortTitle: Current URL
language: javascript
tags: [browser]
cover: purple-sunset-waves
excerpt: Learn a simple way to get the browser's current URL in JavaScript.
listed: true
dateModified: 2023-10-19
---
As mentioned in the [Window.location Cheat Sheet](/js/s/w... | ---
title: How can I get the current URL in JavaScript?
shortTitle: Current URL
language: javascript
tags: [browser]
cover: purple-sunset-waves
excerpt: Learn a simple way to get the browser's current URL in JavaScript.
listed: true
dateModified: 2023-10-19
---
As mentioned in the [Window.location Cheat Sheet](/js/s/w... | code_snippets | ||
e28128d9-6af0-4991-b960-37fc3174f99c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/create-html-elements.md | unknown | a9a558d7-113f-43bc-a5fc-c06fa3c3af2a | 0 | SemanticChunker@1.0.0 | f7e41e2df3de6da80fc45dafb0017be64b6f38055e6d38c8abb564701a7bc515 | ---
title: Creating HTML elements in JavaScript
shortTitle: Creating HTML elements
language: javascript
tags: [browser]
cover: body-of-water
excerpt: Learn how to create HTML elements in JavaScript, by abstracting the creation logic into a function.
listed: true
dateModified: 2022-05-29
---
JavaScript's `Document.crea... | unknown | unknown | ---
title: Creating HTML elements in JavaScript
shortTitle: Creating HTML elements
language: javascript
tags: [browser]
cover: body-of-water
excerpt: Learn how to create HTML elements in JavaScript, by abstracting the creation logic into a function.
listed: true
dateModified: 2022-05-29
---
JavaScript's `Document.crea... | ---
title: Creating HTML elements in JavaScript
shortTitle: Creating HTML elements
language: javascript
tags: [browser]
cover: body-of-water
excerpt: Learn how to create HTML elements in JavaScript, by abstracting the creation logic into a function.
listed: true
dateModified: 2022-05-29
---
JavaScript's `Document.crea... | code_snippets | ||
44ffaa71-70ba-4cda-b228-f99a1c5a55d2 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-occurrences.md | unknown | 255380e9-1532-419a-bc23-c4b27b7e9b57 | 0 | SemanticChunker@1.0.0 | 6277449adaede635069dd56cf41f997b3098108b5429e737b57cd3db9e6219f5 | ---
title: Count the occurrences of a value in a JavaScript array or string
shortTitle: Count occurrences
language: javascript
tags: [array,string]
cover: dark-leaves-4
excerpt: Given a value, find out how many times it appears in an array or string.
listed: true
dateModified: 2024-05-14
---
I've often had a need to c... | unknown | unknown | ---
title: Count the occurrences of a value in a JavaScript array or string
shortTitle: Count occurrences
language: javascript
tags: [array,string]
cover: dark-leaves-4
excerpt: Given a value, find out how many times it appears in an array or string.
listed: true
dateModified: 2024-05-14
---
I've often had a need to c... | ---
title: Count the occurrences of a value in a JavaScript array or string
shortTitle: Count occurrences
language: javascript
tags: [array,string]
cover: dark-leaves-4
excerpt: Given a value, find out how many times it appears in an array or string.
listed: true
dateModified: 2024-05-14
---
I've often had a need to c... | code_snippets | ||
475ce1e3-8952-43d3-8540-b1d43d4f1938 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-occurrences.md | unknown | 255380e9-1532-419a-bc23-c4b27b7e9b57 | 2 | SemanticChunker@1.0.0 | 9666672ffc66e3f1c64f4c196b6cf4708a6bc9f2e175afaf9cd772dce8695e1f | [Count value occurrences in an array > Count value occurrences in a string]
## Count value occurrences in a string
Counting the occurrences of a value in a **string** is a bit more complex than in an array. You can use `Array.prototype.indexOf()` to look for the value in the string and increment a counter each time i... | unknown | unknown | [Count value occurrences in an array > Count value occurrences in a string]
## Count value occurrences in a string
Counting the occurrences of a value in a **string** is a bit more complex than in an array. You can use `Array.prototype.indexOf()` to look for the value in the string and increment a counter each time i... | [Count value occurrences in an array > Count value occurrences in a string]
## Count value occurrences in a string
Counting the occurrences of a value in a **string** is a bit more complex than in an array. You can use `Array.prototype.indexOf()` to look for the value in the string and increment a counter each time i... | code_snippets | ||
b6878afc-a196-487d-b9c4-1f268c1d7454 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-occurrences.md | unknown | 255380e9-1532-419a-bc23-c4b27b7e9b57 | 1 | SemanticChunker@1.0.0 | 29b52d81086c835cc4830450ffa1ceef433fe5c3c1554a1a3d06ba825de53962 | [Count value occurrences in an array]
## Count value occurrences in an array
`Array.prototype.reduce()` provides the most straightforward way to count the occurrences of a value in an **array**. Simply increment a counter each time the specific value is encountered inside the array and return the final count.
```js
... | unknown | unknown | [Count value occurrences in an array]
## Count value occurrences in an array
`Array.prototype.reduce()` provides the most straightforward way to count the occurrences of a value in an **array**. Simply increment a counter each time the specific value is encountered inside the array and return the final count.
```js
... | [Count value occurrences in an array]
## Count value occurrences in an array
`Array.prototype.reduce()` provides the most straightforward way to count the occurrences of a value in an **array**. Simply increment a counter each time the specific value is encountered inside the array and return the final count.
```js
... | code_snippets | ||
3006b306-fe1b-4dc8-852a-f1f7234cba03 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 3 | SemanticChunker@1.0.0 | ee844bef00d5a3c3d3f37dd3136dc31163aca12c95812cac7b5ad5f077b1e9aa | [Count the occurrences of each value in an array > Using a `Map` instead of an object]
## Using a `Map` instead of an object
Both of the previous examples use **objects** to store the frequencies of the values. However, you can also use a `Map` to store the frequencies. This can be useful if you need to **keep the in... | unknown | unknown | [Count the occurrences of each value in an array > Using a `Map` instead of an object]
## Using a `Map` instead of an object
Both of the previous examples use **objects** to store the frequencies of the values. However, you can also use a `Map` to store the frequencies. This can be useful if you need to **keep the in... | [Count the occurrences of each value in an array > Using a `Map` instead of an object]
## Using a `Map` instead of an object
Both of the previous examples use **objects** to store the frequencies of the values. However, you can also use a `Map` to store the frequencies. This can be useful if you need to **keep the in... | code_snippets | ||
74073d7b-7619-42c9-877b-3223c9f2f981 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 2 | SemanticChunker@1.0.0 | c92cdcb9ac4eeea97908e8ad6fc55b953a947b73f716359991f76917a4699e27 | [Count the occurrences of each value in an array > Group the elements of an array based on a function]
## Group the elements of an array based on a function
You can also **group the elements** of an array based on a given function and return the count of elements in each group. This can be useful when you want to gro... | unknown | unknown | [Count the occurrences of each value in an array > Group the elements of an array based on a function]
## Group the elements of an array based on a function
You can also **group the elements** of an array based on a given function and return the count of elements in each group. This can be useful when you want to gro... | [Count the occurrences of each value in an array > Group the elements of an array based on a function]
## Group the elements of an array based on a function
You can also **group the elements** of an array based on a given function and return the count of elements in each group. This can be useful when you want to gro... | code_snippets | ||
82b18283-a29c-42a6-b44f-5745f0bd9b3f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 4 | SemanticChunker@1.0.0 | 6cc2808748c43061722f69e48633c6c448a568a5c9ef8aa873ee27915aa1b123 | [Count the occurrences of each value in an array > Implement a frequency map data structure]
## Implement a frequency map data structure
When dealing with **data that changes often**, you may need to recalculate frequencies as needed. This can become tedious and inefficient, especially if you only need to keep track ... | unknown | unknown | [Count the occurrences of each value in an array > Implement a frequency map data structure]
## Implement a frequency map data structure
When dealing with **data that changes often**, you may need to recalculate frequencies as needed. This can become tedious and inefficient, especially if you only need to keep track ... | [Count the occurrences of each value in an array > Implement a frequency map data structure]
## Implement a frequency map data structure
When dealing with **data that changes often**, you may need to recalculate frequencies as needed. This can become tedious and inefficient, especially if you only need to keep track ... | code_snippets | ||
8b999338-de8b-4429-be42-58268d7266d5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 1 | SemanticChunker@1.0.0 | 58160bb43c40f3eaf1063ab4dd301366b786434c79b7eefbd342d1e07951b1b4 | [Count the occurrences of each value in an array]
## Count the occurrences of each value in an array
You can use `Array.prototype.reduce()` to create an object with the unique values of an array as keys and their **frequencies** as the values. Use the nullish coalescing operator (`??`) to initialize the value of each... | unknown | unknown | [Count the occurrences of each value in an array]
## Count the occurrences of each value in an array
You can use `Array.prototype.reduce()` to create an object with the unique values of an array as keys and their **frequencies** as the values. Use the nullish coalescing operator (`??`) to initialize the value of each... | [Count the occurrences of each value in an array]
## Count the occurrences of each value in an array
You can use `Array.prototype.reduce()` to create an object with the unique values of an array as keys and their **frequencies** as the values. Use the nullish coalescing operator (`??`) to initialize the value of each... | code_snippets | ||
b2723ec8-3785-43ab-849c-832c1ddc795a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 0 | SemanticChunker@1.0.0 | 3dfab30342cc2521c796cfae1fcb5e71a246e21639719e960bf30e661decaabf | ---
title: How can I group and count values in a JavaScript array?
shortTitle: Group and count values
language: javascript
tags: [array,object]
cover: tropical-waterfall
excerpt: Learn how to group and count the values of a JavaScript array using simple array methods.
listed: true
dateModified: 2024-08-19
---
Finding ... | unknown | unknown | ---
title: How can I group and count values in a JavaScript array?
shortTitle: Group and count values
language: javascript
tags: [array,object]
cover: tropical-waterfall
excerpt: Learn how to group and count the values of a JavaScript array using simple array methods.
listed: true
dateModified: 2024-08-19
---
Finding ... | ---
title: How can I group and count values in a JavaScript array?
shortTitle: Group and count values
language: javascript
tags: [array,object]
cover: tropical-waterfall
excerpt: Learn how to group and count the values of a JavaScript array using simple array methods.
listed: true
dateModified: 2024-08-19
---
Finding ... | code_snippets | ||
f7c5eda1-6bb0-48e5-8c3a-b318a5bd7aba | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/count-grouped-elements.md | unknown | eca89464-3ece-4a35-aa40-e18f88c8222f | 5 | SemanticChunker@1.0.0 | c89deb9927bd57ba433c05ff578a321810256941aeb12005608f5b8148e5b52a | [Count the occurrences of each value in an array > Implement a frequency map data structure]
Leveraging the built-in `Map` class via the use of **inheritance**, we implement `get()` in such a way that **non-existent values** will return `0`. Similarly, we implement `has()` to check if the frequency of a value is great... | unknown | unknown | [Count the occurrences of each value in an array > Implement a frequency map data structure]
Leveraging the built-in `Map` class via the use of **inheritance**, we implement `get()` in such a way that **non-existent values** will return `0`. Similarly, we implement `has()` to check if the frequency of a value is great... | [Count the occurrences of each value in an array > Implement a frequency map data structure]
Leveraging the built-in `Map` class via the use of **inheritance**, we implement `get()` in such a way that **non-existent values** will return `0`. Similarly, we implement `has()` to check if the frequency of a value is great... | code_snippets | ||
12616395-221a-445b-bc50-2bec98afd64a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/create-element.md | unknown | 54f8e37b-3db3-4acd-a119-bc5a7ec1df0f | 0 | SemanticChunker@1.0.0 | 9eefeb8790f90142828058d2438de8f5cf7f1a580e7f8e569e0f667917b82aa8 | ---
title: Create an HTML element with JavaScript
shortTitle: Create HTML element
language: javascript
tags: [browser]
cover: flower-portrait-4
excerpt: If you want to create an element from a string without appending it to the document, you can use a few lines of JavaScript.
listed: true
dateModified: 2024-07-05
---
... | unknown | unknown | ---
title: Create an HTML element with JavaScript
shortTitle: Create HTML element
language: javascript
tags: [browser]
cover: flower-portrait-4
excerpt: If you want to create an element from a string without appending it to the document, you can use a few lines of JavaScript.
listed: true
dateModified: 2024-07-05
---
... | ---
title: Create an HTML element with JavaScript
shortTitle: Create HTML element
language: javascript
tags: [browser]
cover: flower-portrait-4
excerpt: If you want to create an element from a string without appending it to the document, you can use a few lines of JavaScript.
listed: true
dateModified: 2024-07-05
---
... | code_snippets | ||
09290898-340d-4941-9d46-5975169fa3ee | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 1 | SemanticChunker@1.0.0 | 5a221a000c532bb25bc82c4cf7acf696a4e95e726ef334791cc0a5b441c9a24b | [Definition]
## Definition
A binary search tree is a data structure consisting of a set of ordered linked nodes that represent a hierarchical tree structure. Each node is linked to others via parent-children relationship. Any given node can have at most two children (left and right). The first node in the binary sear... | unknown | unknown | [Definition]
## Definition
A binary search tree is a data structure consisting of a set of ordered linked nodes that represent a hierarchical tree structure. Each node is linked to others via parent-children relationship. Any given node can have at most two children (left and right). The first node in the binary sear... | [Definition]
## Definition
A binary search tree is a data structure consisting of a set of ordered linked nodes that represent a hierarchical tree structure. Each node is linked to others via parent-children relationship. Any given node can have at most two children (left and right). The first node in the binary sear... | code_snippets | ||
24e6608b-cb56-4d38-ae2e-ba60ee64e718 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 4 | SemanticChunker@1.0.0 | de1aa5b057e4a2e503051bf68053f338000f739aa2cd9059eee523c944f2850c | [Definition > Implementation]
- Create a `class` for the `BinarySearchTreeNode` with a `constructor` that initializes the appropriate `key`, `value`, `parent`, `left` and `right` properties.
- Define an `isLeaf` getter, that uses `Array.prototype.length` to check if both `left` and `right` are empty.
- Define a `hasCh... | unknown | unknown | [Definition > Implementation]
- Create a `class` for the `BinarySearchTreeNode` with a `constructor` that initializes the appropriate `key`, `value`, `parent`, `left` and `right` properties.
- Define an `isLeaf` getter, that uses `Array.prototype.length` to check if both `left` and `right` are empty.
- Define a `hasCh... | [Definition > Implementation]
- Create a `class` for the `BinarySearchTreeNode` with a `constructor` that initializes the appropriate `key`, `value`, `parent`, `left` and `right` properties.
- Define an `isLeaf` getter, that uses `Array.prototype.length` to check if both `left` and `right` are empty.
- Define a `hasCh... | code_snippets | ||
5ba8b48e-5e6d-4ffe-acd9-05f54daff5e4 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 2 | SemanticChunker@1.0.0 | f6ce3d7fff23c61e29d58dc084df6cb7027c12504f08a00afb70c0e24199217d | [Definition > Implementation]
## Implementation
```js
class BinarySearchTreeNode {
constructor(key, value = key, parent = null) {
this.key = key;
this.value = value;
this.parent = parent;
this.left = null;
this.right = null;
}
get isLeaf() {
return this.left === null && this.right === null;
}
get hasChil... | unknown | unknown | [Definition > Implementation]
## Implementation
```js
class BinarySearchTreeNode {
constructor(key, value = key, parent = null) {
this.key = key;
this.value = value;
this.parent = parent;
this.left = null;
this.right = null;
}
get isLeaf() {
return this.left === null && this.right === null;
}
get hasChil... | [Definition > Implementation]
## Implementation
```js
class BinarySearchTreeNode {
constructor(key, value = key, parent = null) {
this.key = key;
this.value = value;
this.parent = parent;
this.left = null;
this.right = null;
}
get isLeaf() {
return this.left === null && this.right === null;
}
get hasChil... | code_snippets | ||
5eaaaa41-ed17-4ca2-a267-5734b8ccd49a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 0 | SemanticChunker@1.0.0 | 47a7a87ffddd0b340f094d50d38939832955abec402a7fb472603729952c4cd6 | ---
title: JavaScript Data Structures - Binary Search Tree
shortTitle: Binary Search Tree
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A binary search tree is a hierarchical data structure of ordered nodes with at most two children each.
listed: true
dateModified: 2021-08-31
--- | unknown | unknown | ---
title: JavaScript Data Structures - Binary Search Tree
shortTitle: Binary Search Tree
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A binary search tree is a hierarchical data structure of ordered nodes with at most two children each.
listed: true
dateModified: 2021-08-31
--- | ---
title: JavaScript Data Structures - Binary Search Tree
shortTitle: Binary Search Tree
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A binary search tree is a hierarchical data structure of ordered nodes with at most two children each.
listed: true
dateModified: 2021-08-31
--- | code_snippets | ||
8cc97940-f81b-4cab-8500-aa051c8c7ce9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 5 | SemanticChunker@1.0.0 | 69cf4f03ca4a1ecfa5fc4f0d07b1971675bab199a0bb51a011641aa76f0da5e5 | [Definition > Implementation]
```js
const tree = new BinarySearchTree(30);
tree.insert(10);
tree.insert(15);
tree.insert(12);
tree.insert(40);
tree.insert(35);
tree.insert(50);
[...tree.preOrderTraversal()].map(x => x.value);
// [30, 10, 15, 12, 40, 35, 50]
[...tree.inOrderTraversal()].map(x => x.value);
// [10, 12... | unknown | unknown | [Definition > Implementation]
```js
const tree = new BinarySearchTree(30);
tree.insert(10);
tree.insert(15);
tree.insert(12);
tree.insert(40);
tree.insert(35);
tree.insert(50);
[...tree.preOrderTraversal()].map(x => x.value);
// [30, 10, 15, 12, 40, 35, 50]
[...tree.inOrderTraversal()].map(x => x.value);
// [10, 12... | [Definition > Implementation]
```js
const tree = new BinarySearchTree(30);
tree.insert(10);
tree.insert(15);
tree.insert(12);
tree.insert(40);
tree.insert(35);
tree.insert(50);
[...tree.preOrderTraversal()].map(x => x.value);
// [30, 10, 15, 12, 40, 35, 50]
[...tree.inOrderTraversal()].map(x => x.value);
// [10, 12... | code_snippets | ||
e33fbaa2-4e62-403e-b362-6f8322b41556 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-binary-search-tree.md | unknown | 6aae2aab-bceb-40e6-b332-f8e3b61ee8c8 | 3 | SemanticChunker@1.0.0 | 5733a7fd4512e83e7cd7498fac15f96ebf1d34c305ba32302404da7869f7c208 | [Definition > Implementation]
```js
// [continued: part 1]
class BinarySearchTree {
constructor(key, value = key) {
this.root = new BinarySearchTreeNode(key, value);
}
*inOrderTraversal(node = this.root) {
if (node.left) yield* this.inOrderTraversal(node.left);
yield node;
if (node.right) yield* this.inOrderTr... | unknown | unknown | [Definition > Implementation]
```js
// [continued: part 1]
class BinarySearchTree {
constructor(key, value = key) {
this.root = new BinarySearchTreeNode(key, value);
}
*inOrderTraversal(node = this.root) {
if (node.left) yield* this.inOrderTraversal(node.left);
yield node;
if (node.right) yield* this.inOrderTr... | [Definition > Implementation]
```js
// [continued: part 1]
class BinarySearchTree {
constructor(key, value = key) {
this.root = new BinarySearchTreeNode(key, value);
}
*inOrderTraversal(node = this.root) {
if (node.left) yield* this.inOrderTraversal(node.left);
yield node;
if (node.right) yield* this.inOrderTr... | code_snippets | ||
43b7be42-aec1-469b-b3bd-368221a72361 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/create-directory-if-not-exists.md | unknown | 5231a983-6924-4d29-8c9a-556a533e49bb | 0 | SemanticChunker@1.0.0 | 60aa9bee28dab7d9480b1e737df29a4f48eea303b942c9ce533d78b228f35e5c | ---
title: Create a directory if it doesn't exist using Node.js
shortTitle: Create directory if not exists
language: javascript
tags: [node]
cover: misty-mountains
excerpt: Learn how to create a directory using Node.js, if it doesn't exist.
listed: true
dateModified: 2024-03-08
---
When working with files and director... | unknown | unknown | ---
title: Create a directory if it doesn't exist using Node.js
shortTitle: Create directory if not exists
language: javascript
tags: [node]
cover: misty-mountains
excerpt: Learn how to create a directory using Node.js, if it doesn't exist.
listed: true
dateModified: 2024-03-08
---
When working with files and director... | ---
title: Create a directory if it doesn't exist using Node.js
shortTitle: Create directory if not exists
language: javascript
tags: [node]
cover: misty-mountains
excerpt: Learn how to create a directory using Node.js, if it doesn't exist.
listed: true
dateModified: 2024-03-08
---
When working with files and director... | code_snippets | ||
4a6f7775-7e54-4ee3-82e2-84ef27f324d8 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/create-directory-if-not-exists.md | unknown | 5231a983-6924-4d29-8c9a-556a533e49bb | 1 | SemanticChunker@1.0.0 | 40ff90f06973fc10408faf0ddff4a7668bb9b13a49ca84dc1b9a2fd6807e846b | [Asynchronous approach]
## Asynchronous approach
Most commonly, you'll want to create a directory asynchronously, using `fs.mkdir()`. This method returns a `Promise`, that will reject if the directory already exists. In order to remedy that, we can use `fs.access()` to check if the directory exists, and then create i... | unknown | unknown | [Asynchronous approach]
## Asynchronous approach
Most commonly, you'll want to create a directory asynchronously, using `fs.mkdir()`. This method returns a `Promise`, that will reject if the directory already exists. In order to remedy that, we can use `fs.access()` to check if the directory exists, and then create i... | [Asynchronous approach]
## Asynchronous approach
Most commonly, you'll want to create a directory asynchronously, using `fs.mkdir()`. This method returns a `Promise`, that will reject if the directory already exists. In order to remedy that, we can use `fs.access()` to check if the directory exists, and then create i... | code_snippets | ||
c5f6ce7b-7bb1-4a35-8eb3-cb9e60b1c933 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/create-directory-if-not-exists.md | unknown | 5231a983-6924-4d29-8c9a-556a533e49bb | 2 | SemanticChunker@1.0.0 | c7cdee2e9277c7954428396fce1752c911b073dd0e8a0b52f309a793fccde07b | [Asynchronous approach > Synchronous approach]
## Synchronous approach
While the asynchronous approach is generally preferred, you might want to create a directory synchronously in some cases. You can use `fs.existsSync()` to check if the directory exists, and `fs.mkdirSync()` to create it.
```js
import { existsSync... | unknown | unknown | [Asynchronous approach > Synchronous approach]
## Synchronous approach
While the asynchronous approach is generally preferred, you might want to create a directory synchronously in some cases. You can use `fs.existsSync()` to check if the directory exists, and `fs.mkdirSync()` to create it.
```js
import { existsSync... | [Asynchronous approach > Synchronous approach]
## Synchronous approach
While the asynchronous approach is generally preferred, you might want to create a directory synchronously in some cases. You can use `fs.existsSync()` to check if the directory exists, and `fs.mkdirSync()` to create it.
```js
import { existsSync... | code_snippets | ||
34827b7d-dcfa-4162-b3dc-34cad77125bb | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cors-explained.md | unknown | 90cd3dc9-6e2f-4046-98bd-979b540d7d6b | 0 | SemanticChunker@1.0.0 | b9c970db5e4bc36ce21543ee13ee70c049401503c36f41b372d2b915ee9f740c | ---
title: What is CORS?
shortTitle: CORS explained
language: javascript
tags: [browser,webdev]
cover: chill-surfing
excerpt: CORS (Cross-Origin Resource Sharing) trips up many developers, but it's pretty easy to wrap your head around.
listed: true
dateModified: 2023-05-07
---
When it comes to HTTP, an **origin** is d... | unknown | unknown | ---
title: What is CORS?
shortTitle: CORS explained
language: javascript
tags: [browser,webdev]
cover: chill-surfing
excerpt: CORS (Cross-Origin Resource Sharing) trips up many developers, but it's pretty easy to wrap your head around.
listed: true
dateModified: 2023-05-07
---
When it comes to HTTP, an **origin** is d... | ---
title: What is CORS?
shortTitle: CORS explained
language: javascript
tags: [browser,webdev]
cover: chill-surfing
excerpt: CORS (Cross-Origin Resource Sharing) trips up many developers, but it's pretty easy to wrap your head around.
listed: true
dateModified: 2023-05-07
---
When it comes to HTTP, an **origin** is d... | code_snippets | ||
dd1cbd14-53f8-46e5-99e4-38e43bcdf839 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/cors-explained.md | unknown | 90cd3dc9-6e2f-4046-98bd-979b540d7d6b | 1 | SemanticChunker@1.0.0 | 2bb6fbad8ef3030e8ab23a7877d1bb2ed083e2dcd91ac1b2791fecd50bb33aee | As this can be quite restrictive, CORS allows the server to specify which other domains are allowed to make requests to its resources. This is done through the use of **CORS headers**, `Origin` in the request and `Access-Control-Allow-Origin` in the response. This way, for example, API servers can allow requests from s... | unknown | unknown | As this can be quite restrictive, CORS allows the server to specify which other domains are allowed to make requests to its resources. This is done through the use of **CORS headers**, `Origin` in the request and `Access-Control-Allow-Origin` in the response. This way, for example, API servers can allow requests from s... | As this can be quite restrictive, CORS allows the server to specify which other domains are allowed to make requests to its resources. This is done through the use of **CORS headers**, `Origin` in the request and `Access-Control-Allow-Origin` in the response. This way, for example, API servers can allow requests from s... | code_snippets | ||
a00f52f0-e907-4ad9-8ed8-840a0077f407 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-text-to-clipboard.md | unknown | db17a266-1853-4535-b534-3ce335b3396a | 2 | SemanticChunker@1.0.0 | 86b1c11930dbb2c2fa67121c83a7c149fb619295de21b0f3611f6733898e879f | [The Asynchronous Clipboard API > Using `Document.execCommand('copy')`]
## Using `Document.execCommand('copy')`
While support for the Clipboard API is pretty high across the board, you might need a fallback if you have to **support older browsers**. If that's the case, you can use [`Document.execCommand('copy')`](htt... | unknown | unknown | [The Asynchronous Clipboard API > Using `Document.execCommand('copy')`]
## Using `Document.execCommand('copy')`
While support for the Clipboard API is pretty high across the board, you might need a fallback if you have to **support older browsers**. If that's the case, you can use [`Document.execCommand('copy')`](htt... | [The Asynchronous Clipboard API > Using `Document.execCommand('copy')`]
## Using `Document.execCommand('copy')`
While support for the Clipboard API is pretty high across the board, you might need a fallback if you have to **support older browsers**. If that's the case, you can use [`Document.execCommand('copy')`](htt... | code_snippets | ||
a917cf49-ba6e-4817-9f9f-1bfdcedc5311 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-text-to-clipboard.md | unknown | db17a266-1853-4535-b534-3ce335b3396a | 0 | SemanticChunker@1.0.0 | 8406be3fab5e327c30ba9b7918f4e218d56777a8fd21206f62f6c62644345e7f | ---
title: How can I copy text to clipboard with JavaScript?
shortTitle: Copy text to clipboard
language: javascript
tags: [browser]
cover: typing
excerpt: Learn how to programmatically copy text to clipboard with a few lines of JavaScript and level up your web development skills.
listed: true
dateModified: 2024-01-13
... | unknown | unknown | ---
title: How can I copy text to clipboard with JavaScript?
shortTitle: Copy text to clipboard
language: javascript
tags: [browser]
cover: typing
excerpt: Learn how to programmatically copy text to clipboard with a few lines of JavaScript and level up your web development skills.
listed: true
dateModified: 2024-01-13
... | ---
title: How can I copy text to clipboard with JavaScript?
shortTitle: Copy text to clipboard
language: javascript
tags: [browser]
cover: typing
excerpt: Learn how to programmatically copy text to clipboard with a few lines of JavaScript and level up your web development skills.
listed: true
dateModified: 2024-01-13
... | code_snippets | ||
d4ec7807-8c5d-47a0-b240-2a3f03192f40 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/copy-text-to-clipboard.md | unknown | db17a266-1853-4535-b534-3ce335b3396a | 1 | SemanticChunker@1.0.0 | 7bbd03ccc72ee3294c7ffc5186ac64d772a1dc4bac307375bb5e7a4e74b5c817 | [The Asynchronous Clipboard API]
## The Asynchronous Clipboard API
<baseline-support featureId="async-clipboard">
</baseline-support>
Full support for the Clipboard API still isn't here at the time of writing (January, 2024), but you can at least use it to write to the clipboard. Thankfully, that's all you really ne... | unknown | unknown | [The Asynchronous Clipboard API]
## The Asynchronous Clipboard API
<baseline-support featureId="async-clipboard">
</baseline-support>
Full support for the Clipboard API still isn't here at the time of writing (January, 2024), but you can at least use it to write to the clipboard. Thankfully, that's all you really ne... | [The Asynchronous Clipboard API]
## The Asynchronous Clipboard API
<baseline-support featureId="async-clipboard">
</baseline-support>
Full support for the Clipboard API still isn't here at the time of writing (January, 2024), but you can at least use it to write to the clipboard. Thankfully, that's all you really ne... | code_snippets | ||
61888f97-204c-4d71-880c-b241926ab60f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/currying.md | unknown | fe91081a-f9ec-473f-9a9b-0dbb6ddbb1ae | 2 | SemanticChunker@1.0.0 | 72312c3f28adee572e8a8b7d2ad89ef8e8b48d12cb27de3583fede9cf0f1399f | [Currying a function > Working with variadic functions]
### Working with variadic functions
**Variadic functions** are functions that accept a variable number of arguments. For example, `Math.min()` is a variadic function that returns the smallest of zero or more numbers.
> [!NOTE]
>
> `Math.min.length` is 2, which ... | unknown | unknown | [Currying a function > Working with variadic functions]
### Working with variadic functions
**Variadic functions** are functions that accept a variable number of arguments. For example, `Math.min()` is a variadic function that returns the smallest of zero or more numbers.
> [!NOTE]
>
> `Math.min.length` is 2, which ... | [Currying a function > Working with variadic functions]
### Working with variadic functions
**Variadic functions** are functions that accept a variable number of arguments. For example, `Math.min()` is a variadic function that returns the smallest of zero or more numbers.
> [!NOTE]
>
> `Math.min.length` is 2, which ... | code_snippets | ||
652bf6e3-3129-4baa-8122-65605813998f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/currying.md | unknown | fe91081a-f9ec-473f-9a9b-0dbb6ddbb1ae | 1 | SemanticChunker@1.0.0 | 2300ef12c85f1a6ba83714d558aa081dd6c42fbb6fb34abb51fda1169c80e477 | [Currying a function]
## Currying a function
Creating a `curry()` function can be tricky in some cases. For the sake of simplicity, let's start with a function whose **number of arguments** is **fixed**. In that case, we will use `Function.prototype.length` to determine the number of arguments the function accepts.
... | unknown | unknown | [Currying a function]
## Currying a function
Creating a `curry()` function can be tricky in some cases. For the sake of simplicity, let's start with a function whose **number of arguments** is **fixed**. In that case, we will use `Function.prototype.length` to determine the number of arguments the function accepts.
... | [Currying a function]
## Currying a function
Creating a `curry()` function can be tricky in some cases. For the sake of simplicity, let's start with a function whose **number of arguments** is **fixed**. In that case, we will use `Function.prototype.length` to determine the number of arguments the function accepts.
... | code_snippets | ||
87451458-ee12-42ca-8294-90d0176191a4 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/currying.md | unknown | fe91081a-f9ec-473f-9a9b-0dbb6ddbb1ae | 3 | SemanticChunker@1.0.0 | 590d9ec5187f49ebce3bae9d7e79db9638cc7f6b1dd722eb934e1592ba41598e | [Currying a function > Uncurrying a function]
## Uncurrying a function
_What about the opposite? How can we uncurry a function?_ We will still need to know the arity of the function, but this time, we will use `Array.prototype.reduce()` to call each subsequent curry level of the function. If the number of arguments i... | unknown | unknown | [Currying a function > Uncurrying a function]
## Uncurrying a function
_What about the opposite? How can we uncurry a function?_ We will still need to know the arity of the function, but this time, we will use `Array.prototype.reduce()` to call each subsequent curry level of the function. If the number of arguments i... | [Currying a function > Uncurrying a function]
## Uncurrying a function
_What about the opposite? How can we uncurry a function?_ We will still need to know the arity of the function, but this time, we will use `Array.prototype.reduce()` to call each subsequent curry level of the function. If the number of arguments i... | code_snippets | ||
b2deee93-7317-40ca-a5fc-c350e7bccea5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/currying.md | unknown | fe91081a-f9ec-473f-9a9b-0dbb6ddbb1ae | 0 | SemanticChunker@1.0.0 | ff5bce4843c098088107c711378de92f7d63b0122a661827094b17e66a9e0327 | ---
title: Understanding JavaScript currying
shortTitle: Currying
language: javascript
tags: [function,recursion]
cover: tulips-and-reeds
excerpt: Currying is a process that transforms a function that takes multiple arguments into a series of functions that each take a single argument.
listed: true
dateModified: 2023-1... | unknown | unknown | ---
title: Understanding JavaScript currying
shortTitle: Currying
language: javascript
tags: [function,recursion]
cover: tulips-and-reeds
excerpt: Currying is a process that transforms a function that takes multiple arguments into a series of functions that each take a single argument.
listed: true
dateModified: 2023-1... | ---
title: Understanding JavaScript currying
shortTitle: Currying
language: javascript
tags: [function,recursion]
cover: tulips-and-reeds
excerpt: Currying is a process that transforms a function that takes multiple arguments into a series of functions that each take a single argument.
listed: true
dateModified: 2023-1... | code_snippets | ||
0d6c3ad8-0d74-437a-b512-45390cff6099 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-comparison.md | unknown | f67ebef9-896c-49d6-9d1e-5e54119430a0 | 0 | SemanticChunker@1.0.0 | 90bca063341720626e6c10cd30905e067af06c7a3195fc08d21f9eb1ea65ad12 | ---
title: How do I compare two dates in JavaScript?
shortTitle: Date comparison
language: javascript
tags: [date,comparison]
cover: pineapple-at-work
excerpt: Learn how you can compare two dates in JavaScript, determining which one comes before or after the other.
listed: true
dateModified: 2024-01-06
---
Comparing `... | unknown | unknown | ---
title: How do I compare two dates in JavaScript?
shortTitle: Date comparison
language: javascript
tags: [date,comparison]
cover: pineapple-at-work
excerpt: Learn how you can compare two dates in JavaScript, determining which one comes before or after the other.
listed: true
dateModified: 2024-01-06
---
Comparing `... | ---
title: How do I compare two dates in JavaScript?
shortTitle: Date comparison
language: javascript
tags: [date,comparison]
cover: pineapple-at-work
excerpt: Learn how you can compare two dates in JavaScript, determining which one comes before or after the other.
listed: true
dateModified: 2024-01-06
---
Comparing `... | code_snippets | ||
7c90b501-322b-4463-b5ce-08fa8d3e1c1b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-comparison.md | unknown | f67ebef9-896c-49d6-9d1e-5e54119430a0 | 2 | SemanticChunker@1.0.0 | 0e89063f4f357abe8acbfce741368ba06ef77e6eee5b8e3380d948cdac239848 | [Date equality comparison > Date is before another date]
## Date is before another date
As mentioned previously, `Date` objects act like numbers. This means that you can use the less than operator (`<`) to check if a date comes before another date.
```js
const isBeforeDate = (dateA, dateB) => dateA < dateB;
isBefor... | unknown | unknown | [Date equality comparison > Date is before another date]
## Date is before another date
As mentioned previously, `Date` objects act like numbers. This means that you can use the less than operator (`<`) to check if a date comes before another date.
```js
const isBeforeDate = (dateA, dateB) => dateA < dateB;
isBefor... | [Date equality comparison > Date is before another date]
## Date is before another date
As mentioned previously, `Date` objects act like numbers. This means that you can use the less than operator (`<`) to check if a date comes before another date.
```js
const isBeforeDate = (dateA, dateB) => dateA < dateB;
isBefor... | code_snippets | ||
9cedc6a7-a4e7-448c-80fe-0256ce79f7fb | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-comparison.md | unknown | f67ebef9-896c-49d6-9d1e-5e54119430a0 | 1 | SemanticChunker@1.0.0 | b39f15539803734565a0f731528fb28bba02b6d9fb98ee500932755e74efc450 | [Date equality comparison]
## Date equality comparison
Comparing two dates using the [equality operators (`==` or `===`)](/js/s/equality) is ineffective, as it compares the objects **by reference**. Luckily, `Date.prototype.toISOString()` returns a string representation of the date in a **standardized format**, which... | unknown | unknown | [Date equality comparison]
## Date equality comparison
Comparing two dates using the [equality operators (`==` or `===`)](/js/s/equality) is ineffective, as it compares the objects **by reference**. Luckily, `Date.prototype.toISOString()` returns a string representation of the date in a **standardized format**, which... | [Date equality comparison]
## Date equality comparison
Comparing two dates using the [equality operators (`==` or `===`)](/js/s/equality) is ineffective, as it compares the objects **by reference**. Luckily, `Date.prototype.toISOString()` returns a string representation of the date in a **standardized format**, which... | code_snippets | ||
a5831084-7722-4644-abf4-1d9f7695714c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-comparison.md | unknown | f67ebef9-896c-49d6-9d1e-5e54119430a0 | 3 | SemanticChunker@1.0.0 | cd81673b9408a2ffde7d8187bc4ec747c4d0cd27b0336cc4f9377d651066bbd3 | [Date equality comparison > Date is after another date]
## Date is after another date
Similarly, you can use the greater than operator (`>`) to check if a date comes after another date.
```js
const isAfterDate = (dateA, dateB) => dateA > dateB;
isAfterDate(new Date('2020-10-21'), new Date('2020-10-20')); // true
``... | unknown | unknown | [Date equality comparison > Date is after another date]
## Date is after another date
Similarly, you can use the greater than operator (`>`) to check if a date comes after another date.
```js
const isAfterDate = (dateA, dateB) => dateA > dateB;
isAfterDate(new Date('2020-10-21'), new Date('2020-10-20')); // true
``... | [Date equality comparison > Date is after another date]
## Date is after another date
Similarly, you can use the greater than operator (`>`) to check if a date comes after another date.
```js
const isAfterDate = (dateA, dateB) => dateA > dateB;
isAfterDate(new Date('2020-10-21'), new Date('2020-10-20')); // true
``... | code_snippets | ||
d0dc2f80-c157-4491-bef9-d32cec4ee91a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-comparison.md | unknown | f67ebef9-896c-49d6-9d1e-5e54119430a0 | 4 | SemanticChunker@1.0.0 | 9d1359da0918fea19c99b827fb11955d736ce877546521c91d07fd1cb9f56d0e | [Date equality comparison > Date is between two dates]
## Date is between two dates
Combining the previous two snippets, you can check if a date is between two other dates.
```js
const isBetweenDates = (dateStart, dateEnd, date) =>
date > dateStart && date < dateEnd;
isBetweenDates(
new Date('2020-10-20'),
new D... | unknown | unknown | [Date equality comparison > Date is between two dates]
## Date is between two dates
Combining the previous two snippets, you can check if a date is between two other dates.
```js
const isBetweenDates = (dateStart, dateEnd, date) =>
date > dateStart && date < dateEnd;
isBetweenDates(
new Date('2020-10-20'),
new D... | [Date equality comparison > Date is between two dates]
## Date is between two dates
Combining the previous two snippets, you can check if a date is between two other dates.
```js
const isBetweenDates = (dateStart, dateEnd, date) =>
date > dateStart && date < dateEnd;
isBetweenDates(
new Date('2020-10-20'),
new D... | code_snippets | ||
0095b455-9bbc-4b4e-9eab-67ebd5eb92c6 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 1 | SemanticChunker@1.0.0 | c62db5a5903fe1b5eec16dd745c3c1eeab4860bc8e36fb922f07a178468f9c79 | [Date difference in seconds]
## Date difference in seconds
Calculating the date difference in seconds is as simple as subtracting the two `Date` objects and dividing by the number of milliseconds in a second (`1000`).
```js
const dateDifferenceInSeconds = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 1_00... | unknown | unknown | [Date difference in seconds]
## Date difference in seconds
Calculating the date difference in seconds is as simple as subtracting the two `Date` objects and dividing by the number of milliseconds in a second (`1000`).
```js
const dateDifferenceInSeconds = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 1_00... | [Date difference in seconds]
## Date difference in seconds
Calculating the date difference in seconds is as simple as subtracting the two `Date` objects and dividing by the number of milliseconds in a second (`1000`).
```js
const dateDifferenceInSeconds = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 1_00... | code_snippets | ||
11be3edd-53c8-43ea-ab70-d828a13e5578 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 2 | SemanticChunker@1.0.0 | 25385010232f68879eb9449584d335cfefbd377e94633f4f2f4dad37ef217287 | [Date difference in seconds > Date difference in minutes]
## Date difference in minutes
Similarly, to calculate the date difference in minutes, we only need to change the divisor to the number of milliseconds in a minute (`1000 * 60`).
```js
const dateDifferenceInMinutes = (dateInitial, dateFinal) =>
(dateFinal - d... | unknown | unknown | [Date difference in seconds > Date difference in minutes]
## Date difference in minutes
Similarly, to calculate the date difference in minutes, we only need to change the divisor to the number of milliseconds in a minute (`1000 * 60`).
```js
const dateDifferenceInMinutes = (dateInitial, dateFinal) =>
(dateFinal - d... | [Date difference in seconds > Date difference in minutes]
## Date difference in minutes
Similarly, to calculate the date difference in minutes, we only need to change the divisor to the number of milliseconds in a minute (`1000 * 60`).
```js
const dateDifferenceInMinutes = (dateInitial, dateFinal) =>
(dateFinal - d... | code_snippets | ||
1b63ac3a-e429-4ad3-a3c2-d0b16afe0f3b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 7 | SemanticChunker@1.0.0 | 9be710117464ccd4a86b51ed9aeea150a3ae955b67ef8ee7286b3470dc028388 | [Date difference in seconds > Date difference in months]
## Date difference in months
Months and years are easier to calculate with other `Date` methods, instead of subtraction. In such cases, we prefer to use `Date.prototype.getFullYear()` and `Date.prototype.getMonth()` to calculate the difference between the two d... | unknown | unknown | [Date difference in seconds > Date difference in months]
## Date difference in months
Months and years are easier to calculate with other `Date` methods, instead of subtraction. In such cases, we prefer to use `Date.prototype.getFullYear()` and `Date.prototype.getMonth()` to calculate the difference between the two d... | [Date difference in seconds > Date difference in months]
## Date difference in months
Months and years are easier to calculate with other `Date` methods, instead of subtraction. In such cases, we prefer to use `Date.prototype.getFullYear()` and `Date.prototype.getMonth()` to calculate the difference between the two d... | code_snippets | ||
2de15969-e680-4470-aa1e-d03c366ace7b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 4 | SemanticChunker@1.0.0 | 94207e4f5cdcc0c99a3efd050bb565a7ee589753fee32ba91d791898d5008218 | [Date difference in seconds > Date difference in days]
## Date difference in days
Subtraction can take us further still, calculating the date difference in days. Without taking timezones into account, we can simply divide the difference in milliseconds by the number of milliseconds in a day (`1000 * 60 * 60 * 24`).
... | unknown | unknown | [Date difference in seconds > Date difference in days]
## Date difference in days
Subtraction can take us further still, calculating the date difference in days. Without taking timezones into account, we can simply divide the difference in milliseconds by the number of milliseconds in a day (`1000 * 60 * 60 * 24`).
... | [Date difference in seconds > Date difference in days]
## Date difference in days
Subtraction can take us further still, calculating the date difference in days. Without taking timezones into account, we can simply divide the difference in milliseconds by the number of milliseconds in a day (`1000 * 60 * 60 * 24`).
... | code_snippets | ||
3c9b3fd9-9212-42cc-979f-5aad0e966242 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 5 | SemanticChunker@1.0.0 | b7c26a1c7e2dc32c1251f68741d9b202c6d4735166eae0b0ea5c9a45b6923532 | [Date difference in days > Date difference in weekdays]
### Date difference in weekdays
Calculating the date difference in weekdays is a bit more involved. We first need a way to determine if a [given date is a weekday](/js/s/date-is-weekday-or-weekend). Then, we need to create an array of dates between the two dates... | unknown | unknown | [Date difference in days > Date difference in weekdays]
### Date difference in weekdays
Calculating the date difference in weekdays is a bit more involved. We first need a way to determine if a [given date is a weekday](/js/s/date-is-weekday-or-weekend). Then, we need to create an array of dates between the two dates... | [Date difference in days > Date difference in weekdays]
### Date difference in weekdays
Calculating the date difference in weekdays is a bit more involved. We first need a way to determine if a [given date is a weekday](/js/s/date-is-weekday-or-weekend). Then, we need to create an array of dates between the two dates... | code_snippets | ||
9a5ec46b-e644-46b1-9b62-1f340e02e542 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 3 | SemanticChunker@1.0.0 | 5481cb0c6211002161b2e8c5081cc3cdb02e8c0fb015b0980db19ce4535270f8 | [Date difference in seconds > Date difference in hours]
## Date difference in hours
To calculate the date difference in hours, we do the same thing, but with the number of milliseconds in an hour (`1000 * 60 * 60`).
```js
const dateDifferenceInHours = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 3_600_00... | unknown | unknown | [Date difference in seconds > Date difference in hours]
## Date difference in hours
To calculate the date difference in hours, we do the same thing, but with the number of milliseconds in an hour (`1000 * 60 * 60`).
```js
const dateDifferenceInHours = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 3_600_00... | [Date difference in seconds > Date difference in hours]
## Date difference in hours
To calculate the date difference in hours, we do the same thing, but with the number of milliseconds in an hour (`1000 * 60 * 60`).
```js
const dateDifferenceInHours = (dateInitial, dateFinal) =>
(dateFinal - dateInitial) / 3_600_00... | code_snippets | ||
b735e3cc-aa11-46ed-b68c-c6caf3ba5f11 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 0 | SemanticChunker@1.0.0 | eca8b3227d6d507714f1ab797e16c9152e11a796c9f7256357cb5086cc02f32a | ---
title: How to calculate date difference in JavaScript
shortTitle: Date difference
language: javascript
tags: [date]
cover: laptop-journey
excerpt: Learn how to calculate date difference in seconds, minutes, hours, days etc. in vanilla JavaScript.
listed: true
dateModified: 2024-01-06
---
Working with dates is hard... | unknown | unknown | ---
title: How to calculate date difference in JavaScript
shortTitle: Date difference
language: javascript
tags: [date]
cover: laptop-journey
excerpt: Learn how to calculate date difference in seconds, minutes, hours, days etc. in vanilla JavaScript.
listed: true
dateModified: 2024-01-06
---
Working with dates is hard... | ---
title: How to calculate date difference in JavaScript
shortTitle: Date difference
language: javascript
tags: [date]
cover: laptop-journey
excerpt: Learn how to calculate date difference in seconds, minutes, hours, days etc. in vanilla JavaScript.
listed: true
dateModified: 2024-01-06
---
Working with dates is hard... | code_snippets | ||
bb450fff-2fc5-404d-89bd-1f94552cc3d5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 8 | SemanticChunker@1.0.0 | 25d58974dc3a0c39486661531d9db78a5c89e520a68649323992b4d11dfa3151 | [Date difference in seconds > Date difference in years]
## Date difference in years
Calculating the date difference in years is similar to the previous example, but we only need to divide the difference in months by `12`.
```js
const dateDifferenceInYears = (dateInitial, dateFinal) =>
dateDifferenceInMonths(dateIni... | unknown | unknown | [Date difference in seconds > Date difference in years]
## Date difference in years
Calculating the date difference in years is similar to the previous example, but we only need to divide the difference in months by `12`.
```js
const dateDifferenceInYears = (dateInitial, dateFinal) =>
dateDifferenceInMonths(dateIni... | [Date difference in seconds > Date difference in years]
## Date difference in years
Calculating the date difference in years is similar to the previous example, but we only need to divide the difference in months by `12`.
```js
const dateDifferenceInYears = (dateInitial, dateFinal) =>
dateDifferenceInMonths(dateIni... | code_snippets | ||
dd0eb79a-250d-4221-817b-839aee574805 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/date-difference.md | unknown | 68a0d518-9313-4691-b32d-95aae0a36dec | 6 | SemanticChunker@1.0.0 | ffb3e4b94ce58832212585e090815b94995fa67b637a4f5d7cf17fb062b1f6fb | [Date difference in seconds > Date difference in weeks]
## Date difference in weeks
Calculating the date difference in weeks is still possible with simple date subtraction. We need only divide the difference in milliseconds by the number of milliseconds in a week (`1000 * 60 * 60 * 24 * 7`).
```js
const dateDifferen... | unknown | unknown | [Date difference in seconds > Date difference in weeks]
## Date difference in weeks
Calculating the date difference in weeks is still possible with simple date subtraction. We need only divide the difference in milliseconds by the number of milliseconds in a week (`1000 * 60 * 60 * 24 * 7`).
```js
const dateDifferen... | [Date difference in seconds > Date difference in weeks]
## Date difference in weeks
Calculating the date difference in weeks is still possible with simple date subtraction. We need only divide the difference in milliseconds by the number of milliseconds in a week (`1000 * 60 * 60 * 24 * 7`).
```js
const dateDifferen... | code_snippets | ||
55a9d182-82f9-4e63-89ac-52847046a2fc | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-linked-list.md | unknown | e450f96b-7f04-4600-8f9b-79b48436ff5e | 0 | SemanticChunker@1.0.0 | 77256e098a00881b713ec519b2fbdcfbd4925dd996c8f5b1722b7551883c573e | ---
title: JavaScript Data Structures - Linked List
shortTitle: Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-3
excerpt: A linked list is a linear data structure where each element points to the next.
listed: true
dateModified: 2021-08-08
--- | unknown | unknown | ---
title: JavaScript Data Structures - Linked List
shortTitle: Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-3
excerpt: A linked list is a linear data structure where each element points to the next.
listed: true
dateModified: 2021-08-08
--- | ---
title: JavaScript Data Structures - Linked List
shortTitle: Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-3
excerpt: A linked list is a linear data structure where each element points to the next.
listed: true
dateModified: 2021-08-08
--- | code_snippets | ||
74249352-b985-4d0a-9230-f3cc4be26f3d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-linked-list.md | unknown | e450f96b-7f04-4600-8f9b-79b48436ff5e | 1 | SemanticChunker@1.0.0 | e8cc16d2b585db0202243b65df1b390c92b23de492a20b5ad6b87fbf9de4fdf8 | [Definition]
## Definition
A linked list is a linear data structure that represents a collection of elements, where each element points to the next one. The first element in the linked list is the head and the last element is the tail.
Each... | unknown | unknown | [Definition]
## Definition
A linked list is a linear data structure that represents a collection of elements, where each element points to the next one. The first element in the linked list is the head and the last element is the tail.
Each... | [Definition]
## Definition
A linked list is a linear data structure that represents a collection of elements, where each element points to the next one. The first element in the linked list is the head and the last element is the tail.
Each... | code_snippets | ||
74ec59e1-ca2c-4edd-a426-1f70cb280f15 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-linked-list.md | unknown | e450f96b-7f04-4600-8f9b-79b48436ff5e | 3 | SemanticChunker@1.0.0 | ac09e659186206c096d38850ee3931a367fb55e529d9d6f6852dcdae972b3c70 | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | unknown | unknown | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | code_snippets | ||
bd14dfbf-fa82-4246-8a76-120d30c0efcd | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-linked-list.md | unknown | e450f96b-7f04-4600-8f9b-79b48436ff5e | 2 | SemanticChunker@1.0.0 | a39b29c7ba4d6deb8abf89cd5a4250b4be1d66a65aa0d36ba823ad808c073b08 | [Definition > Implementation]
## Implementation
```js
class LinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value) {
co... | unknown | unknown | [Definition > Implementation]
## Implementation
```js
class LinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value) {
co... | [Definition > Implementation]
## Implementation
```js
class LinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value) {
co... | code_snippets | ||
d81a15dc-6898-449b-bcd9-a750a76617ee | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-linked-list.md | unknown | e450f96b-7f04-4600-8f9b-79b48436ff5e | 4 | SemanticChunker@1.0.0 | a6b77c5d981df04abc806ebd14824e06cfd18308c777f978513c567f9b3e5b7b | [Definition > Implementation]
```js
const list = new LinkedList();
list.insertFirst(1);
list.insertFirst(2);
list.insertFirst(3);
list.insertLast(4);
list.insertAt(3, 5);
list.size; // 5
list.head.value; // 3
list.head.next.value; // 2
list.tail.value; // 4
[...list.map(e => e.value)]; // [3, 2, 1, 5, 4]
list.remov... | unknown | unknown | [Definition > Implementation]
```js
const list = new LinkedList();
list.insertFirst(1);
list.insertFirst(2);
list.insertFirst(3);
list.insertLast(4);
list.insertAt(3, 5);
list.size; // 5
list.head.value; // 3
list.head.next.value; // 2
list.tail.value; // 4
[...list.map(e => e.value)]; // [3, 2, 1, 5, 4]
list.remov... | [Definition > Implementation]
```js
const list = new LinkedList();
list.insertFirst(1);
list.insertFirst(2);
list.insertFirst(3);
list.insertLast(4);
list.insertAt(3, 5);
list.size; // 5
list.head.value; // 3
list.head.next.value; // 2
list.tail.value; // 4
[...list.map(e => e.value)]; // [3, 2, 1, 5, 4]
list.remov... | code_snippets | ||
1395e6ea-5f0d-4b04-8489-bb797f27729b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-graph.md | unknown | 8ea781a8-ae0a-4ab0-9644-15e46d257737 | 0 | SemanticChunker@1.0.0 | 2d85064aed49cb56c99f4596cf96fb0b324b99bc902423d909a80e1886c07258 | ---
title: JavaScript Data Structures - Graph
shortTitle: Graph
language: javascript
tags: [class]
cover: purple-flower-macro-1
excerpt: A graph is a data structure consisting of a set of vertices connected by a set of edges.
listed: true
dateModified: 2021-08-17
--- | unknown | unknown | ---
title: JavaScript Data Structures - Graph
shortTitle: Graph
language: javascript
tags: [class]
cover: purple-flower-macro-1
excerpt: A graph is a data structure consisting of a set of vertices connected by a set of edges.
listed: true
dateModified: 2021-08-17
--- | ---
title: JavaScript Data Structures - Graph
shortTitle: Graph
language: javascript
tags: [class]
cover: purple-flower-macro-1
excerpt: A graph is a data structure consisting of a set of vertices connected by a set of edges.
listed: true
dateModified: 2021-08-17
--- | code_snippets | ||
19eb2447-6bbb-499a-a7f2-9130ba94eb81 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-graph.md | unknown | 8ea781a8-ae0a-4ab0-9644-15e46d257737 | 1 | SemanticChunker@1.0.0 | a9b39cc099fa9892097aa38d70d425374d1fa26b2743d98f062f50b2a2def937 | [Definition]
## Definition
A graph is a data structure consisting of a set of nodes or vertices and a set of edges that represent connections between those nodes. Graphs can be directed or undirected, while their edges can be assigned numeric weights.
... | unknown | unknown | [Definition]
## Definition
A graph is a data structure consisting of a set of nodes or vertices and a set of edges that represent connections between those nodes. Graphs can be directed or undirected, while their edges can be assigned numeric weights.
... | [Definition]
## Definition
A graph is a data structure consisting of a set of nodes or vertices and a set of edges that represent connections between those nodes. Graphs can be directed or undirected, while their edges can be assigned numeric weights.
... | code_snippets | ||
4e575780-0cf3-443c-8bbd-33dab6eb8245 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-graph.md | unknown | 8ea781a8-ae0a-4ab0-9644-15e46d257737 | 3 | SemanticChunker@1.0.0 | d9b81808cea46ddeee3512a349ea5f1d91c68915ce2ca9b53872ef7d46e7f7bd | [Definition > Implementation]
- Define an `addNode()` method, which uses `Array.prototype.push()` to add a new node in the `nodes` array.
- Define an `addEdge()` method, which uses `Map.prototype.set()` to add a new edge to the `edges` Map, using `JSON.stringify()` to produce a unique key.
- Define a `removeNode()` me... | unknown | unknown | [Definition > Implementation]
- Define an `addNode()` method, which uses `Array.prototype.push()` to add a new node in the `nodes` array.
- Define an `addEdge()` method, which uses `Map.prototype.set()` to add a new edge to the `edges` Map, using `JSON.stringify()` to produce a unique key.
- Define a `removeNode()` me... | [Definition > Implementation]
- Define an `addNode()` method, which uses `Array.prototype.push()` to add a new node in the `nodes` array.
- Define an `addEdge()` method, which uses `Map.prototype.set()` to add a new edge to the `edges` Map, using `JSON.stringify()` to produce a unique key.
- Define a `removeNode()` me... | code_snippets | ||
c3d1a22f-0b79-43b8-a24f-56b2196291ef | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-graph.md | unknown | 8ea781a8-ae0a-4ab0-9644-15e46d257737 | 2 | SemanticChunker@1.0.0 | 4368e3c1c55cb50e7765eea38946dc4260b2b664414cd22c1fa04c66705ba032 | [Definition > Implementation]
## Implementation
```js
class Graph {
constructor(directed = true) {
this.directed = directed;
this.nodes = [];
this.edges = new Map();
}
addNode(key, value = key) {
this.nodes.push({ key, value });
}
addEdge(a, b, weight) {
this.edges.set(JSON.stringify([a, b]), { a, b, weig... | unknown | unknown | [Definition > Implementation]
## Implementation
```js
class Graph {
constructor(directed = true) {
this.directed = directed;
this.nodes = [];
this.edges = new Map();
}
addNode(key, value = key) {
this.nodes.push({ key, value });
}
addEdge(a, b, weight) {
this.edges.set(JSON.stringify([a, b]), { a, b, weig... | [Definition > Implementation]
## Implementation
```js
class Graph {
constructor(directed = true) {
this.directed = directed;
this.nodes = [];
this.edges = new Map();
}
addNode(key, value = key) {
this.nodes.push({ key, value });
}
addEdge(a, b, weight) {
this.edges.set(JSON.stringify([a, b]), { a, b, weig... | code_snippets | ||
f940fea3-3636-48c2-a31e-0de8e9ec63d0 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-graph.md | unknown | 8ea781a8-ae0a-4ab0-9644-15e46d257737 | 4 | SemanticChunker@1.0.0 | b718b905756fd2e837d848219b52083f86e2691bdeffdd4b082af46cb27e7765 | [Definition > Implementation]
```js
const g = new Graph();
g.addNode('a');
g.addNode('b');
g.addNode('c');
g.addNode('d');
g.addEdge('a', 'c');
g.addEdge('b', 'c');
g.addEdge('c', 'b');
g.addEdge('d', 'a');
g.nodes.map(x => x.value); // ['a', 'b', 'c', 'd']
[...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);
/... | unknown | unknown | [Definition > Implementation]
```js
const g = new Graph();
g.addNode('a');
g.addNode('b');
g.addNode('c');
g.addNode('d');
g.addEdge('a', 'c');
g.addEdge('b', 'c');
g.addEdge('c', 'b');
g.addEdge('d', 'a');
g.nodes.map(x => x.value); // ['a', 'b', 'c', 'd']
[...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);
/... | [Definition > Implementation]
```js
const g = new Graph();
g.addNode('a');
g.addNode('b');
g.addNode('c');
g.addNode('d');
g.addEdge('a', 'c');
g.addEdge('b', 'c');
g.addEdge('c', 'b');
g.addEdge('d', 'a');
g.nodes.map(x => x.value); // ['a', 'b', 'c', 'd']
[...g.edges.values()].map(({ a, b }) => `${a} => ${b}`);
/... | code_snippets | ||
0d3b8d85-6722-4cb0-9812-1daddf59b64e | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-doubly-linked-list.md | unknown | 1b901c12-e1c5-49d5-bde9-169c907b5721 | 3 | SemanticChunker@1.0.0 | 165b26553c949eda41ac236b0ec550e7f008351eebe908f4894213703de2e528 | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | unknown | unknown | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | [Definition > Implementation]
- Create a `class` with a `constructor` that initializes an empty array, `nodes`, for each instance.
- Define a `size` getter, that returns that uses `Array.prototype.length` to return the number of elements in the `nodes` array.
- Define a `head` getter, that returns the first element of... | code_snippets | ||
6147fb73-0f11-43ef-bf48-e57ef8e90bf4 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-doubly-linked-list.md | unknown | 1b901c12-e1c5-49d5-bde9-169c907b5721 | 2 | SemanticChunker@1.0.0 | e703daa5ef63cc5bbcd08aec71ec525c3805558708615e760b24f952999289e3 | [Definition > Implementation]
## Implementation
```js
class DoublyLinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value)... | unknown | unknown | [Definition > Implementation]
## Implementation
```js
class DoublyLinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value)... | [Definition > Implementation]
## Implementation
```js
class DoublyLinkedList {
constructor() {
this.nodes = [];
}
get size() {
return this.nodes.length;
}
get head() {
return this.size ? this.nodes[0] : null;
}
get tail() {
return this.size ? this.nodes[this.size - 1] : null;
}
insertAt(index, value)... | code_snippets | ||
6aa310e4-1d51-4b87-b01e-9ad718b3a206 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/js/s/data-structures-doubly-linked-list.md | unknown | 1b901c12-e1c5-49d5-bde9-169c907b5721 | 0 | SemanticChunker@1.0.0 | 3aef855f3884655638dd2ac54ff84eccf25b5f512f21ce07e28bda9856ad8800 | ---
title: JavaScript Data Structures - Doubly Linked List
shortTitle: Doubly Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A doubly linked list is a linear data structure where each element points both to the next and the previous one.
listed: true
dateModified: 2021-08-12
--- | unknown | unknown | ---
title: JavaScript Data Structures - Doubly Linked List
shortTitle: Doubly Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A doubly linked list is a linear data structure where each element points both to the next and the previous one.
listed: true
dateModified: 2021-08-12
--- | ---
title: JavaScript Data Structures - Doubly Linked List
shortTitle: Doubly Linked List
language: javascript
tags: [class]
cover: purple-flower-macro-4
excerpt: A doubly linked list is a linear data structure where each element points both to the next and the previous one.
listed: true
dateModified: 2021-08-12
--- | code_snippets |
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