file stringlengths 16 94 | text stringlengths 32 24.4k | vector list |
|---|---|---|
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Syntax:
Example:
Object.values(obj) | [
0.0004980256198905408,
0.09931663423776627,
-1.264655590057373,
-0.5035855770111084,
-0.8609099984169006,
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0.7196472883224487,
0.7422708868980408,
0.01692930795252323,
-0.9160728454589844,
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0.41579723358154297,
0.02911505289375782,
-0.09889097511768... |
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Syntax - Parameters:
- `obj`: An object. | [
0.01753501035273075,
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0.2964525520801544,
0.46216917037963867,
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0.33542898297309875,
0.1018729954957962,
0.2704257071018219,... |
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Syntax - Return value:
An array containing the given object's own enumerable string-keyed property values. | [
-0.30534282326698303,
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-0.7120258808135986,
0.27004528045654297,
-0.7180718183517456,
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0.6515936851501465,
0.9316222071647644,
-0.2861877381801605,
-0.26796063780784607,
-0.708097517490387,
1.1354010105133057,
-0.5256114602088928,
0.8574044704437256... |
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Description:
`Object.values()` returns an array whose elements are values of enumerable string-keyed properties found directly upon `object`. This is the same as iterating with a `for...in` loop, except that a `for...in` loop enumerates properties in the prototype chain ... | [
-0.6476567387580872,
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-0.9424746632575989,
0.5755711793899536,
0.03720963001251221,
-1.8462908267974854,
0.3754366338253021,
0.16278116405010223,
-0.7515872120857239,
0.16219556331634521,
0.011616352945566177,
0.7529926896095276,
0.17851004004478455,
-0.0875152722001075... |
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Examples - Using Object.values():
Example:
const obj = { foo: "bar", baz: 42 };
console.log(Object.values(obj)); // ['bar', 42]
// Array-like object
const arrayLikeObj1 = { 0: "a", 1: "b", 2: "c" };
console.log(Object.values(arrayLikeObj1)); // ['a', 'b', 'c']
// Arra... | [
0.2554967701435089,
0.22407586872577667,
-1.1080402135849,
0.25200483202934265,
-0.41620194911956787,
-1.5156019926071167,
0.17842301726341248,
-0.11155794560909271,
-0.06521163135766983,
-0.08399305492639542,
-0.1952911764383316,
-0.008159797638654709,
-0.04243015870451927,
-0.00141019362... |
javascript/reference/global_objects/object/values/index.md | JavaScript - Global Objects - Object - values - Examples - Using Object.values() on primitives:
Non-object arguments are coerced to objects. `undefined` and `null` cannot be coerced to objects and throw a `TypeError` upfront. Only strings may have own enumerable properties, while all other primitives return an empty a... | [
-0.5648850202560425,
0.28090015053749084,
-0.4100414216518402,
0.33221435546875,
-0.2809363901615143,
-2.271700620651245,
1.7546532154083252,
0.036098964512348175,
-0.07305367290973663,
0.20082181692123413,
-0.4998522698879242,
-0.7817391753196716,
-0.07949277758598328,
-0.938515305519104,... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen:
The `Object.isFrozen()` static method determines if an object is `frozen`.
Example:
const object = {
foo: 42,
};
console.log(Object.isFrozen(object));
// Expected output: false
Object.freeze(object);
console.log(Object.isFrozen(object));
// Expected output: true | [
-0.6383337378501892,
-0.7728399038314819,
-0.8519772887229919,
-0.21189962327480316,
-0.04451831057667732,
-1.958006501197815,
0.8631104230880737,
0.1812986433506012,
-0.03219369426369667,
0.31980329751968384,
-0.7177485823631287,
-0.9502565860748291,
0.6672199964523315,
0.2552655041217804... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Syntax:
Example:
Object.isFrozen(obj) | [
-0.24448686838150024,
0.23920206725597382,
-0.8608499765396118,
-0.5841242074966431,
-0.5384178161621094,
-2.2813186645507812,
1.0685652494430542,
0.637593150138855,
-0.10313598811626434,
-0.5012510418891907,
-0.5182534456253052,
-0.46193602681159973,
0.18690280616283417,
0.365030437707901... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Syntax - Parameters:
- `obj`: The object which should be checked. | [
-0.21960431337356567,
0.2370481640100479,
-1.218130111694336,
-0.7527260780334473,
0.04327845573425293,
-1.4819495677947998,
0.9343147873878479,
-0.15731070935726166,
0.05947994813323021,
0.10850837081670761,
-1.3099473714828491,
-0.370403915643692,
-0.05096600949764252,
1.153092622756958,... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Syntax - Return value:
A `Boolean` indicating whether or not the given object is frozen. | [
-0.6212794184684753,
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-0.41192522644996643,
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1.0187292098999023,
0.875088632106781,
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-0.4521028697490692,
-1.0862469673156738,
0.2511675953865051,
0.3383587598800659,
1.057246208190918,
... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Description:
An object is frozen if and only if it is not extensible, all its properties are non-configurable, and all its data properties (that is, properties which are not accessor properties with getter or setter components) are non-writable. | [
-0.6313108205795288,
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0.20407885313034058,
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0.47704389691352844,
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0.425799608230590... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Examples - Using Object.isFrozen:
Example:
// A new object is extensible, so it is not frozen.
Object.isFrozen({}); // false
// An empty object which is not extensible
// is vacuously frozen.
const vacuouslyFrozen = Object.preventExtensions({});
Object.isFrozen(vacuo... | [
-0.6314448118209839,
-0.0013774175895377994,
-0.003616711124777794,
0.3575438857078552,
0.6283183097839355,
-0.7276132702827454,
0.5283362865447998,
0.6382486820220947,
-0.342937707901001,
-0.035352591425180435,
-0.48100125789642334,
-0.3505442142486572,
-0.9278078675270081,
0.437987953424... |
javascript/reference/global_objects/object/isfrozen/index.md | JavaScript - Global Objects - Object - isFrozen - Examples - Non-object argument:
In ES5, if the argument to this method is not an object (a primitive), then it will cause a `TypeError`. In ES2015, it will return `true` without any errors if a non-object argument is passed, since primitives are, by definition, immutab... | [
-0.3324872553348541,
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-0.43250784277915955,
-0.06359974294900894,
0.04570813104510307,
-2.7614142894744873,
1.3677623271942139,
0.901268482208252,
-0.08405783772468567,
0.21378782391548157,
-0.13045835494995117,
-1.027698040008545,
0.07206850498914719,
-0.03903602063655... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is:
The `Object.is()` static method determines whether two values are the same value.
Example:
console.log(Object.is("1", 1));
// Expected output: false
console.log(Object.is(NaN, NaN));
// Expected output: true
console.log(Object.is(-0, 0));
// Expected output: false
const ... | [
-1.1055587530136108,
-0.7834023833274841,
-1.302693247795105,
0.21223533153533936,
-0.0763506144285202,
-1.9091349840164185,
0.01788577437400818,
0.4998161196708679,
0.12365617603063583,
0.15842466056346893,
-1.2446999549865723,
-0.5754961371421814,
0.6812381148338318,
-0.22726577520370483... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is - Syntax:
Example:
Object.is(value1, value2) | [
-0.003057152032852173,
-0.13085950911045074,
-0.7124162912368774,
-0.36458754539489746,
-0.7933605313301086,
-2.194293260574341,
0.1488650143146515,
0.8011402487754822,
0.14003820717334747,
-1.2062525749206543,
-1.0970531702041626,
-0.18970268964767456,
0.18114134669303894,
-0.070434458553... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is - Syntax - Parameters:
- `value1`: The first value to compare.
- `value2`: The second value to compare. | [
-0.0834825411438942,
0.22567854821681976,
-0.7884424924850464,
-0.33287808299064636,
-0.4984923303127289,
-1.5995819568634033,
0.6347722411155701,
0.9610657691955566,
0.6113234758377075,
-0.7115355730056763,
-1.1891932487487793,
-0.24913719296455383,
-0.05203244835138321,
0.222339347004890... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is - Syntax - Return value:
A boolean indicating whether or not the two arguments are the same value. | [
-0.6821250915527344,
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-0.046480853110551834,
-0.8866278529167175,
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0.8347418308258057,
0.6636689901351929,
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-1.3472248315811157,
0.3786439001560211,
0.42180415987968445,
0.66408658027648... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is - Description:
`Object.is()` determines whether two values are the same value. Two values are the same if one of the following holds:
- both `undefined`
- both `null`
- both `true` or both `false`
- both strings of the same length with the same characters in the same order
- ... | [
-0.3011278808116913,
-0.23848874866962433,
-0.7498679757118225,
0.5797497034072876,
0.49477818608283997,
-0.9968514442443848,
0.9099041819572449,
0.4703626036643982,
-0.6306255459785461,
0.3248230218887329,
-0.9511910080909729,
-1.085351586341858,
0.2416781187057495,
0.1416347324848175,
... |
javascript/reference/global_objects/object/is/index.md | JavaScript - Global Objects - Object - is - Examples - Using Object.is():
Example:
// Case 1: Evaluation result is the same as using ===
Object.is(25, 25); // true
Object.is("foo", "foo"); // true
Object.is("foo", "bar"); // false
Object.is(null, null); // true
Object.is(undefined, undefined); // true
Object.is(windo... | [
-0.3422154188156128,
0.025137968361377716,
-0.9424311518669128,
-0.2481524497270584,
-0.33456578850746155,
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0.3250736892223358,
0.3065146803855896,
0.2703937888145447,
0.1516023427248001,
-1.176560878753662,
-0.37599653005599976,
0.12673954665660858,
0.1261572539806366,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable:
The `propertyIsEnumerable()` method of `Object` instances returns a boolean indicating whether the specified property is this object's enumerable own property.
Example:
const object = {};
const array = [];
object.foo = 42;
array[0] = 42;
console.log(objec... | [
-0.3299138844013214,
-0.5846604108810425,
-0.7168013453483582,
0.5222898125648499,
-0.6838393807411194,
-2.183269739151001,
0.293613463640213,
0.3567870557308197,
0.2583811283111572,
0.5512651205062866,
-0.7831977605819702,
0.7522357106208801,
0.0877022072672844,
-0.35267603397369385,
0.... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Syntax:
Example:
propertyIsEnumerable(prop) | [
-0.3558313846588135,
0.3605627119541168,
-0.19079668819904327,
-0.401137113571167,
-1.190172791481018,
-2.379453420639038,
0.5466873049736023,
0.9871314167976379,
0.16414275765419006,
0.012987869791686535,
-0.7664310932159424,
0.8235993385314941,
-0.17906200885772705,
-0.4597131311893463,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Syntax - Parameters:
- `prop`: The name of the property to test. Can be a string or a `Symbol`. | [
-0.6081959009170532,
-0.10729051381349564,
-0.2372409552335739,
-0.6713054776191711,
-0.5853602886199951,
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0.2918928563594818,
0.6391445398330688,
0.36538562178611755,
-0.0330384261906147,
-1.3902549743652344,
1.0209968090057373,
-0.4486798942089081,
0.02054663375020027... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Syntax - Return value:
A boolean value indicating whether the specified property is enumerable and is the object's own property. | [
-0.37993884086608887,
0.16186076402664185,
-0.2721579074859619,
0.44318312406539917,
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0.8437754511833191,
0.6123629212379456,
0.19212482869625092,
0.11788298934698105,
-1.1703659296035767,
1.5599416494369507,
-0.2378893792629242,
0.4688449501991272,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Description:
All objects that inherit from `Object.prototype` (that is, all except `null`-prototype objects) inherit the `propertyIsEnumerable()` method. This method determines if the specified property, string or symbol, is an enumerable own property of th... | [
-1.4569896459579468,
-0.2248404622077942,
-0.20833896100521088,
0.31408974528312683,
-0.5618794560432434,
-2.8388020992279053,
0.7022354602813721,
0.6888237595558167,
-0.1290079951286316,
-0.22771838307380676,
-1.0699512958526611,
0.6119644045829773,
-0.25096386671066284,
-0.13778388500213... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Examples - Using propertyIsEnumerable():
The following example shows the use of `propertyIsEnumerable()` on objects and arrays.
Example:
const o = {};
const a = [];
o.prop = "is enumerable";
a[0] = "is enumerable";
o.propertyIsEnumerable("prop"); // true... | [
-0.3482345938682556,
0.4792839288711548,
-0.41491347551345825,
0.163663849234581,
-0.7955251932144165,
-2.041628122329712,
0.7522846460342407,
0.8055880665779114,
0.3810879588127136,
0.3854379951953888,
-0.7202538251876831,
0.7717289924621582,
0.2468070387840271,
-0.7732177972793579,
0.2... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Examples - User-defined vs. built-in objects:
Most built-in properties are non-enumerable by default, while user-created object properties are often enumerable, unless explicitly designated otherwise.
Example:
const a = ["is enumerable"];
a.propertyIsEnu... | [
-0.4264885485172272,
-0.19058533012866974,
-0.600055992603302,
0.277952641248703,
-0.21193665266036987,
-2.1170239448547363,
-0.08685492724180222,
0.4461585283279419,
0.6652199625968933,
0.843235194683075,
-0.2928067147731781,
0.7819738984107971,
-0.02259184792637825,
-0.6195526123046875,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Examples - Direct vs. inherited properties:
Only enumerable own properties cause `propertyIsEnumerable()` to return `true`, although all enumerable properties, including inherited ones, are visited by the `for...in` loop.
Example:
const o1 = {
enumerabl... | [
-0.7358811497688293,
0.7933699488639832,
-0.18115130066871643,
0.3051603138446808,
-0.594823956489563,
-2.763044595718384,
0.09530246257781982,
0.3832860589027405,
0.1093805730342865,
0.7227764129638672,
-0.24134770035743713,
0.5444180965423584,
-0.36676445603370667,
-0.3491632640361786,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Examples - Testing symbol properties:
`Symbol` properties are also supported by `propertyIsEnumerable()`. Note that most enumeration methods only visit string properties; enumerability of symbol properties is only useful when using `Object.assign()` or spre... | [
-0.9932533502578735,
0.0462527833878994,
-0.08118009567260742,
-0.25477728247642517,
-0.5564836859703064,
-2.4869332313537598,
0.5809096097946167,
0.5269919037818909,
0.23769965767860413,
0.5909909009933472,
-1.2295712232589722,
0.4558738172054291,
0.09117595851421356,
-0.505817711353302,
... |
javascript/reference/global_objects/object/propertyisenumerable/index.md | JavaScript - Global Objects - Object - propertyIsEnumerable - Examples - Usage with null-prototype objects:
Because `null`-prototype objects do not inherit from `Object.prototype`, they do not inherit the `propertyIsEnumerable()` method. You must call `Object.prototype.propertyIsEnumerable` with the object as `this` i... | [
-1.2101712226867676,
0.2755071222782135,
-0.4896147549152374,
0.23283089697360992,
-0.4697417914867401,
-2.2860658168792725,
-0.09538774192333221,
0.6976678371429443,
0.17122933268547058,
0.2884427011013031,
-1.1567299365997314,
0.40582820773124695,
-0.22040456533432007,
-0.341639339923858... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor:
The `Object.getOwnPropertyDescriptor()` static method returns an object describing the configuration of a specific property on a given object (that is, one directly present on an object and not in the object's prototype chain). The object returned is mut... | [
-1.2745696306228638,
-0.6413798928260803,
-1.5035072565078735,
-0.33291614055633545,
-0.29690980911254883,
-1.481266736984253,
-0.194332554936409,
0.25626692175865173,
0.5015080571174622,
0.5049896836280823,
-0.9107193350791931,
0.6775562167167664,
0.1359778642654419,
-0.0367199145257473,
... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Syntax:
Example:
Object.getOwnPropertyDescriptor(obj, prop) | [
-1.2131638526916504,
0.15364885330200195,
-1.2835825681686401,
-0.7664958834648132,
-1.0437865257263184,
-1.653698205947876,
-0.30119580030441284,
0.4038031995296478,
0.4304995834827423,
-0.28884315490722656,
-0.6765589118003845,
0.3498252332210541,
-0.28220105171203613,
-0.139846935868263... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Syntax - Parameters:
- `obj`: The object in which to look for the property.
- `prop`: The name or `Symbol` of the property whose description is to be retrieved. | [
-1.0435353517532349,
-0.18188999593257904,
-1.2403031587600708,
-0.5039790272712708,
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0.004816805012524128,
-0.1688269078731537,
0.4796008765697479,
-0.26142653822898865,
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0.7444393038749695,
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0.4612718224525... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Syntax - Return value:
A property descriptor of the given property if it exists on the object, `undefined` otherwise. | [
-1.0332133769989014,
-0.08075937628746033,
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0.09194567799568176,
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0.7786842584609985,
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0.5322315096855164,
... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Description:
This method permits examination of the precise description of a property. A property in JavaScript consists of either a string-valued name or a `Symbol` and a property descriptor. Further information about property descriptor types and thei... | [
-1.4346592426300049,
-0.5323134660720825,
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0.30855467915534973,
-0.16373492777347565,
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-0.06422286480665207,
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0.6855961084365845,
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0.026769353076815... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Examples - Using Object.getOwnPropertyDescriptor():
Example:
let o, d;
o = {
get foo() {
return 17;
},
};
d = Object.getOwnPropertyDescriptor(o, "foo");
console.log(d);
// {
// configurable: true,
// enumerable: true,
// get: [Function: ... | [
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0.08785966783761978,
-0.6795948147773743,
0.31139472126960754,
-0.7327284812927246,
0.33259305357933044... |
javascript/reference/global_objects/object/getownpropertydescriptor/index.md | JavaScript - Global Objects - Object - getOwnPropertyDescriptor - Examples - Non-object coercion:
In ES5, if the first argument to this method is not an object (a primitive), then it will cause a `TypeError`. In ES2015, a non-object first argument will be coerced to an object at first.
Example:
Object.getOwnProperty... | [
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0.009952705353498459,
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0.8091806769371033,
-0.3758075535297394,
-0.9153034090995789,
-0.506997287273407,
-0.8677119612693787,... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries:
The `Object.entries()` static method returns an array of a given object's own enumerable string-keyed property key-value pairs.
Example:
const object = {
a: "some string",
b: 42,
};
for (const [key, value] of Object.entries(object)) {
console.log(`${key}: ${valu... | [
-0.155119851231575,
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0.3965948224067688,
0.10901328176259995,
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0.0751686543226242,
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0.5823730826377869,
0.32514503598213196,
-0.015395522117614746,... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Syntax:
Example:
Object.entries(obj) | [
0.438592791557312,
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-1.1615206003189087,
-0.27812597155570984,
-0.8896051049232483,
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0.49364131689071655,
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0.03269597142934799,
-0.6099546551704407,
-0.4354633092880249,
0.03692450374364853,
0.06004662811756134,
0.1418347805738449... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Syntax - Parameters:
- `obj`: An object. | [
0.3116663992404938,
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0.1287146806716919,
0.10506915301084518,
0.4736047387123108,
... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Syntax - Return value:
An array of the given object's own enumerable string-keyed property key-value pairs. Each key-value pair is an array with two elements: the first element is the property key (which is always a string), and the second element is the property value. | [
-0.23935537040233612,
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1.194172978401184,
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1.1118251085281372,
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0.66307133436203,
... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Description:
`Object.entries()` returns an array whose elements are arrays corresponding to the enumerable string-keyed property key-value pairs found directly upon `object`. This is the same as iterating with a `for...in` loop, except that a `for...in` loop enumerates ... | [
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0.38328468799591064,
-0.1714765876531601,
0.6293104887008667,
0.08340425789356232,
0.020771162584424... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Examples - Using Object.entries():
Example:
const obj = { foo: "bar", baz: 42 };
console.log(Object.entries(obj)); // [ ['foo', 'bar'], ['baz', 42] ]
const arrayLike = { 0: "a", 1: "b", 2: "c" };
console.log(Object.entries(arrayLike)); // [ ['0', 'a'], ['1', 'b'], ['2... | [
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0.09406760334968567,
0.10777710378170013,
0.06318281590938568,
-0.6026069521903992,
-0.6619199514389038,
-0.014372133649885654,
0.612914621829986... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Examples - Using Object.entries() on primitives:
Non-object arguments are coerced to objects. `undefined` and `null` cannot be coerced to objects and throw a `TypeError` upfront. Only strings may have own enumerable properties, while all other primitives return an empty... | [
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0.3944004476070404,
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-0.791464567184448... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Examples - Converting an Object to a Map:
The `Map()` constructor accepts an iterable of `entries`. With `Object.entries`, you can easily convert from `Object` to `Map`:
Example:
const obj = { foo: "bar", baz: 42 };
const map = new Map(Object.entries(obj));
console.lo... | [
0.4280608296394348,
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0.2131093591451645,
-0.1326594352722168,
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0.6623444557189941,
-0.08643123507... |
javascript/reference/global_objects/object/entries/index.md | JavaScript - Global Objects - Object - entries - Examples - Iterating through an Object:
Using array destructuring, you can iterate through objects easily.
Example:
// Using for...of loop
const obj = { a: 5, b: 7, c: 9 };
for (const [key, value] of Object.entries(obj)) {
console.log(`${key} ${value}`); // "a 5", "... | [
0.6040363311767578,
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-0.9214970469474792,
0.6447537541389465,
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0.14439283311367035,
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0.22062687575817108,
-0.10123487561941147,
-0.7362255454063416,
-0.2998589873313904,
0.4134075641... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols:
The `Object.getOwnPropertySymbols()` static method returns an array of all symbol properties found directly upon a given object.
Example:
const object = {};
const a = Symbol("a");
const b = Symbol.for("b");
object[a] = "localSymbol";
object[b] = "globalS... | [
-0.4686910808086395,
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0.23574885725975037,
-0.8562264442443848,
0.9430779814720154,
0.21360687911510468,
-0.0654157921671867... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols - Syntax:
Example:
Object.getOwnPropertySymbols(obj) | [
-0.8003692626953125,
0.518731415271759,
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-0.7481761574745178,
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0.7045987248420715,
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... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols - Syntax - Parameters:
- `obj`: The object whose symbol properties are to be returned. | [
-0.7950075268745422,
0.7030501365661621,
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0.8901475071907043,
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0.8050265908241272... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols - Syntax - Return value:
An array of all symbol properties found directly upon the given object. | [
-0.19547250866889954,
0.4250165522098541,
-0.7727242112159729,
0.039096228778362274,
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1.1827878952026367,
-0.25946658849716187,
0.851935267448425... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols - Description:
Similar to `Object.getOwnPropertyNames()`, you can get all symbol properties of a given object as an array of symbols. Note that `Object.getOwnPropertyNames()` itself does not contain the symbol properties of an object and only the string prop... | [
-1.1662753820419312,
0.203940287232399,
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0.504050612449646,
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0.587123692035675,
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... |
javascript/reference/global_objects/object/getownpropertysymbols/index.md | JavaScript - Global Objects - Object - getOwnPropertySymbols - Examples - Using Object.getOwnPropertySymbols():
Example:
const obj = {};
const a = Symbol("a");
const b = Symbol.for("b");
obj[a] = "localSymbol";
obj[b] = "globalSymbol";
const objectSymbols = Object.getOwnPropertySymbols(obj);
console.log(objectSymb... | [
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0.11762987822294235,
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0.755740225315094,
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-0.21507711708545... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer:
The `SharedArrayBuffer` object is used to represent a generic raw binary data buffer, similar to the `ArrayBuffer` object, but in a way that they can be used to create views on shared memory. A `SharedArrayBuffer` is not a Transferable Object, unlike an `ArrayBuffer` wh... | [
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0.4155981242656708,
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0.4048927426338196,
1.0696501731872559,
0.6533504724502563,
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-0.19686803221702576,
0.2800326645374298,
0.6453801989555359,... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Description:
To share memory using `SharedArrayBuffer` objects from one agent in the cluster to another (an agent is either the web page's main program or one of its web workers), `postMessage` and structured cloning is used.
The structured clone algorithm accepts `Sh... | [
-0.45279622077941895,
0.45891839265823364,
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0.7089793086051941,
0.536032497882843,
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0.2228693813085556,
-0.39328131079673767,
0.9253527522087097,
... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Description - Security requirements:
Shared memory and high-resolution timers were effectively disabled at the start of 2018 in light of Spectre. In 2020, a new, secure approach has been standardized to re-enable shared memory.
To use shared memory your document must ... | [
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0.4161583483219147,
0.45703706145286... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Description - API availability:
Depending on whether the above security measures are taken, the various memory-sharing APIs have different availabilities:
- The `Atomics` object is always available.
- `SharedArrayBuffer` objects are in principle always available, but ... | [
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0.5264389514923096... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Description - WebAssembly shared memory:
`WebAssembly.Memory` objects can be created with the `shared` constructor flag. When this flag is set to `true`, the constructed `Memory` object can be shared between workers via `postMessage()`, just like `SharedArrayBuffer`, a... | [
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0.447849929332733... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Description - Growing SharedArrayBuffers:
`SharedArrayBuffer` objects can be made growable by including the `maxByteLength` option when calling the `SharedArrayBuffer()` constructor. You can query whether a `SharedArrayBuffer` is growable and what its maximum size is b... | [
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... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Constructor:
- `SharedArrayBuffer()`: Creates a new `SharedArrayBuffer` object. | [
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0.282435268... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Static properties:
- `SharedArrayBuffer[Symbol.species]`: Returns the constructor used to construct return values from `SharedArrayBuffer` methods. | [
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0.43692126870155334,
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0.769622266292572,
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0.4210836589336395,
... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Instance properties:
These properties are defined on `SharedArrayBuffer.prototype` and shared by all `SharedArrayBuffer` instances.
- `SharedArrayBuffer.prototype.byteLength`: The size, in bytes, of the array. This is established when the array is constructed and can ... | [
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0.139187410473823... |
javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Instance methods:
- `SharedArrayBuffer.prototype.grow()`: Grows the `SharedArrayBuffer` to the specified size, in bytes.
- `SharedArrayBuffer.prototype.slice()`: Returns a new `SharedArrayBuffer` whose contents are a copy of this `SharedArrayBuffer`'s bytes from `begin... | [
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0.5634228587150574,
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0.13656704127788544,
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0.7858262062072754,
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javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Examples:
Note that these examples cannot be run directly from the console or and arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Examples - Creating a new SharedArrayBuffer:
Example:
const sab = new SharedArrayBuffer(1024); | [
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javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Examples - Slicing the SharedArrayBuffer:
Example:
sab.slice(); // SharedArrayBuffer { byteLength: 1024 }
sab.slice(2); // SharedArrayBuffer { byteLength: 1022 }
sab.slice(-2); // SharedArrayBuffer { byteLength: 2 }
sab.slice(0, 1); // SharedArrayBuffer { byteLength: ... | [
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javascript/reference/global_objects/sharedarraybuffer/index.md | JavaScript - Global Objects - SharedArrayBuffer - Examples - Using it in a WebGL buffer:
Example:
const canvas = document.querySelector("canvas");
const gl = canvas.getContext("webgl");
const buffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
gl.bufferData(gl.ARRAY_BUFFER, sab, gl.STATIC_DRAW); | [
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javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species:
The `SharedArrayBuffer[Symbol.species]` static accessor property returns the constructor used to construct return values from `SharedArrayBuffer` methods.
Warning: The existence of `[Symbol.species]` allows execution of arbitrary code and may create se... | [
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javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species - Syntax:
Example:
SharedArrayBuffer[Symbol.species] | [
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0.4649260044097900... |
javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species - Syntax - Return value:
The value of the constructor (`this`) on which `get [Symbol.species]` was called. The return value is used to construct return values from array buffer methods that create new array buffer. | [
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1.0179286003112793,
0... |
javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species - Description:
The `[Symbol.species]` accessor property returns the default constructor for `SharedArrayBuffer` objects. Subclass constructors may override it to change the constructor assignment. The default implementation is basically:
Example:
// Hy... | [
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0.4382959306240082,
... |
javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species - Examples - Species in ordinary objects:
The `[Symbol.species]` property returns the default constructor function, which is the `SharedArrayBuffer` constructor for `SharedArrayBuffer`.
Example:
SharedArrayBuffer[Symbol.species]; // function SharedArra... | [
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0.284514695405960... |
javascript/reference/global_objects/sharedarraybuffer/symbol.species/index.md | JavaScript - Global Objects - SharedArrayBuffer - Symbol.species - Examples - Species in derived objects:
In an instance of a custom `SharedArrayBuffer` subclass, such as `MySharedArrayBuffer`, the `MySharedArrayBuffer` species is the `MySharedArrayBuffer` constructor. However, you might want to overwrite this, in ord... | [
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... |
javascript/reference/global_objects/sharedarraybuffer/bytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - byteLength:
The `byteLength` accessor property of `SharedArrayBuffer` instances returns the length (in bytes) of this `SharedArrayBuffer`. | [
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javascript/reference/global_objects/sharedarraybuffer/bytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - byteLength - Description:
The `byteLength` property is an accessor property whose set accessor function is `undefined`, meaning that you can only read this property. The value is established when the shared array is constructed and cannot be changed. | [
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javascript/reference/global_objects/sharedarraybuffer/bytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - byteLength - Examples:
Note that these examples cannot be run directly from the console or an arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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javascript/reference/global_objects/sharedarraybuffer/bytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - byteLength - Examples - Using byteLength:
Example:
const sab = new SharedArrayBuffer(1024);
sab.byteLength; // 1024 | [
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javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow:
The `grow()` method of `SharedArrayBuffer` instances grows the `SharedArrayBuffer` to the specified size, in bytes. | [
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javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Syntax:
Example:
grow(newLength) | [
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javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Syntax - Parameters:
- `newLength`: The new length, in bytes, to resize the `SharedArrayBuffer` to. | [
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0.541719853878021... |
javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Syntax - Return value:
None (`undefined`). | [
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0.3852287232875... |
javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Syntax - Exceptions:
- `TypeError`: Thrown if the `SharedArrayBuffer` is not growable.
- `RangeError`: Thrown if `newLength` is larger than the `maxByteLength` of the `SharedArrayBuffer` or smaller than the `byteLength`. | [
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javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Description:
The `grow()` method grows a `SharedArrayBuffer` to the size specified by the `newLength` parameter, provided that the `SharedArrayBuffer` is growable and the new size is less than or equal to the `maxByteLength` of the `SharedArrayBuffer`. New bytes... | [
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... |
javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Examples:
Note that these examples cannot be run directly from the console or an arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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javascript/reference/global_objects/sharedarraybuffer/grow/index.md | JavaScript - Global Objects - SharedArrayBuffer - grow - Examples - Using grow():
In this example, we create a 8-byte buffer that is growable to a max length of 16 bytes, then check its `growable` property, growing it if `growable` returns `true`:
Example:
const buffer = new SharedArrayBuffer(8, { maxByteLength: 16 ... | [
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javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice:
The `slice()` method of `SharedArrayBuffer` instances returns a new `SharedArrayBuffer` whose contents are a copy of this `SharedArrayBuffer`'s bytes from `start`, inclusive, up to `end`, exclusive. If either `start` or `end` is negative, it refers to an index f... | [
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... |
javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Syntax:
Example:
slice()
slice(start)
slice(start, end) | [
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0.37580293416976... |
javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Syntax - Parameters:
- `start` (optional): Zero-based index at which to start extraction, converted to an integer.
- Negative index counts back from the end of the buffer — if `-buffer.length <= start < 0`, `start + buffer.length` is used.
- If `start < -bu... | [
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javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Syntax - Return value:
A new `SharedArrayBuffer` containing the extracted elements. | [
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1.099200367927551... |
javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Examples:
Note that these examples cannot be run directly from the console or an arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Examples - Using slice():
Example:
// Create a SharedArrayBuffer with a size in bytes
const buffer = new SharedArrayBuffer(16);
const int32View = new Int32Array(buffer);
int32View[1] = 42;
// Produces Int32Array [0, 42, 0, 0]
const sliced = new Int32Array(buf... | [
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-0.010953688062727451,... |
javascript/reference/global_objects/sharedarraybuffer/slice/index.md | JavaScript - Global Objects - SharedArrayBuffer - slice - Examples - Using different start and end values:
Example:
const sab = new SharedArrayBuffer(1024);
sab.slice(); // SharedArrayBuffer { byteLength: 1024 }
sab.slice(2); // SharedArrayBuffer { byteLength: 1022 }
sab.slice(-2); // SharedArrayBuffer { byteLength: ... | [
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javascript/reference/global_objects/sharedarraybuffer/growable/index.md | JavaScript - Global Objects - SharedArrayBuffer - growable:
The `growable` accessor property of `SharedArrayBuffer` instances returns whether this `SharedArrayBuffer` can be grow or not. | [
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javascript/reference/global_objects/sharedarraybuffer/growable/index.md | JavaScript - Global Objects - SharedArrayBuffer - growable - Description:
The `growable` property is an accessor property whose set accessor function is `undefined`, meaning that you can only read this property. The value is established when the array is constructed. If a `maxByteLength` option was set in the construc... | [
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javascript/reference/global_objects/sharedarraybuffer/growable/index.md | JavaScript - Global Objects - SharedArrayBuffer - growable - Examples:
Note that these examples cannot be run directly from the console or an arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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javascript/reference/global_objects/sharedarraybuffer/growable/index.md | JavaScript - Global Objects - SharedArrayBuffer - growable - Examples - Using growable:
In this example, we create a 8-byte buffer that is growable to a max length of 16 bytes, then check its `growable` property, growing it if `growable` returns `true`:
Example:
const buffer = new SharedArrayBuffer(8, { maxByteLengt... | [
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1.0570008754730225,
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0.1022033020853... |
javascript/reference/global_objects/sharedarraybuffer/maxbytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - maxByteLength:
The `maxByteLength` accessor property of `SharedArrayBuffer` instances returns the maximum length (in bytes) that this `SharedArrayBuffer` can be grown to. | [
0.029293205589056015,
-0.27659764885902405,
-1.458996057510376,
0.4452002942562103,
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0.11538519710302353,
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0.431812047958374,
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0.33006095886230... |
javascript/reference/global_objects/sharedarraybuffer/maxbytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - maxByteLength - Description:
The `maxByteLength` property is an accessor property whose set accessor function is `undefined`, meaning that you can only read this property. The value is established when the shared array is constructed, set via the `maxByteLength` option... | [
-0.5646592378616333,
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0.17959578335285187,
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0.058797311037778854,... |
javascript/reference/global_objects/sharedarraybuffer/maxbytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - maxByteLength - Examples:
Note that these examples cannot be run directly from the console or an arbitrary web page, because `SharedArrayBuffer` is not defined unless its security requirements are met. | [
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0.4200056195259094,
0.1748126596212387,
0.009598895907402039,
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0.6367081999778748,
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-0.4229846596717... |
javascript/reference/global_objects/sharedarraybuffer/maxbytelength/index.md | JavaScript - Global Objects - SharedArrayBuffer - maxByteLength - Examples - Using maxByteLength:
In this example, we create a 8-byte buffer that is resizable to a max length of 16 bytes, then return its `maxByteLength`:
Example:
const buffer = new SharedArrayBuffer(8, { maxByteLength: 16 });
buffer.maxByteLength; ... | [
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0.810154914855957,
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-0.05849363654851913... |
javascript/reference/global_objects/aggregateerror/index.md | JavaScript - Global Objects - AggregateError:
The `AggregateError` object represents an error when several errors need to be wrapped in a single error. It is thrown when multiple errors need to be reported by an operation, for example by `Promise.any()`, when all promises passed to it reject.
Compared to `SuppressedE... | [
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0.8621839284896... |
javascript/reference/global_objects/aggregateerror/index.md | JavaScript - Global Objects - AggregateError - Constructor:
- `AggregateError()`: Creates a new `AggregateError` object. | [
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0.000006552658305736259,
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0.455687046051... |
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