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JS : Imagine that I have a variable called incomingValue and I 'm getting a number from an API as it 's value . The values are between 0 to 1 and I 'm setting two other variables depending on this value using bunch of if statements like you see below . In the actual implementation , I have around 10 if statements check... | How can I refactor this bunch of if statements ? |
JS : I 'm doing an exercise which i 'm no being able to solve . I need to get the maximum accumulated profit by buying and selling bitcoins . I have a function ( A , Y ) which receive an A = array of different prices during time and a Y = feeRestrictions : Note : If a bitcoin was bought at 0 and sold at 1 , we would ha... | javascript - return the maximum accumulated profit |
JS : I 'm using Smart table i want to keep matched rows on top of other rows in table using angularjs ( 1 ) , in my case i have been matching string from table column , on the basis of matched string I 'm changing row background color , but i want to show those colored rows on top of the other rows , so that I 'm able ... | How to keep matched row on top of other rows in table using angularjs ? |
JS : why the result is undefined ? i thought it is supposed to be ' [ object Object ] ' <code> var foo = { } ; foo.c = foo = { } ; console.log ( foo.c ) ; | why the program 's result is undefined ? |
JS : I keep running into situations where I end up nesting very many reduce functions to drill down into an object . It 's hard to pull out the logic because at the bottom I need access to the various keys traversed along the way . Essentially , I 'm looking for a better way to achieve the following : I would like to w... | Nested Reduce Functions / Recursion / Functional Programming / Tree Traversal |
JS : I was trying to benchmark the gain/loss of `` caching '' math.floor , in hopes that I could make calls faster . Here was the test : My results from the test : The variance is random , of course , but for the most partIn all cases [ this shows time taken ] : [ takes longer ] mathfloor > Math.floor > window.mathfloo... | Local Variables take 7x longer to access than global variables ? |
JS : This is the html part of the code : The function below takes the last block , removes it and creates another one to put it at the top.With the code below I tried to set the snake position eqal to head 's position so every time a new block becomes the head the snake moves by one block.When I call the function turnR... | How to set a div position to depend on another div position ? |
JS : If you have the following code : I am trying to add a class to the A tags with images inside.So I haveHowever , now I want to add an extra check . I want to add the class ONLY if the image src + a href wrapping it are the same or `` similar '' ( they only have the thumbnail size at the end i.e -150x150 ) . In othe... | compare img src + a wrap url strings to see if they are `` similar '' |
JS : I am migrating an existing program to use async/await ( via Babel 's bluebirdCoroutines ) in order to learn this style . I have been looking at this tutorial.I am a bit troubled by the following behavior . This snippet works as expected : Re-written as follows , it still works but the fist operation is not paralle... | ES7 async/await conceptual issue |
JS : First of all , I 'm new to both WCF services and dropzone JS , but I 'm trying to combine the two to create a simple image uploader . I 've got my WCF working correctly for the metadata that I 've uploaded to through it ( so I know it 's passing things cross domain correctly ) , but the Stream that I 've captured ... | Dropzone JS Upload to WCF Getting Wrong Data |
JS : I have the following structure and I need to wrap the div around .item.In some place there is two items and in some place there is single item : I need output in this format : I tried with the following code but it wraps all code to single class . <code> < div class= '' section '' > < div class= '' heading '' > < ... | jQuery/js wrap near div with same classes into single div |
JS : I 'm using Google Charts ' Annotation Chart to display data . Everything 's working but it 's not showing the volume section , as seen in this google finance chart that , I believe , uses the same chart.Here 's what I have so far , but I do n't know how to include that section : This is what the google finance cha... | Add section to annotation chart ? |
JS : I 'm using a modal from the Kube CSS & JS framework ( 6.5.2 ) with a form inside it . When I hit enter , the modal closes without submitting the form . Edit : this does n't happen when focused on password or search inputs - changing the type from 'text ' to 'password ' fixes the issue.JS : I 'd like the form to su... | Kube modal closes when pressing enter in form |
JS : I 'm currently using Function.apply to call a function with a dynamic number of arguments , but I do not have access to the original context , and have no desire to set the context myself . What I would like , is to be able to call a function with a variable number of arguments , keeping the original context . Per... | Calling a Javascript function with an unknown number of arguments with original context |
JS : -- -Update -- -- After experimenting more with this , I 've determined that the contentScript I have written is not the problem here . For example , if I reduce the extension to merely : The button will still appear when I run the extension through the SDK , but will not appear when I install the xpi in a current ... | firefox extension works through sdk but not when installed in browser - compatibility issue ? |
JS : Here you can see the same video is loading twice . Its an autoplaying video , that I just want to use a 2nd time at the bottom of the page ( first is top of page ) . How to prevent the browser to download it a 2nd time ? https : //tools.pingdom.com/ # ! /cQ1xMb/https : //bm-translations.de/km.phpQuestion is regard... | how to prevent same video loading twice if its just the same video a 2nd time |
JS : Use reduce to find number of times an items is in an array.The array could have arrays inside recursively.bar ( foo , 4 ) would return 3 . <code> var foo = [ 1 , [ 2 , 3 , 4 ] , 4 , [ 5,6,7 ] , 4 ] ; | Use reduce to shorten array |
JS : Here is a sample angular directive to prevent typing non-numeric keys ( StackOverflow answer ) .I want to write something like this fiddle to use the is-number directive in several inputs . Please consider that since I have various different directives in my inputs , I can not use the same template as suggested in... | Angular directive : Allow just numbers |
JS : I have a small problem with a object that uses jquery . since jquery overwrites the this pointer I cant call my sub methods without resorting to save the this pointer in a that variable is this a preferred way or is there a better solution ? Is there a way to save the this pointer in the object ( like a class meth... | javascript internal method calls when using jquery |
JS : I have such script When I run it and change system time back for one hour , the timeout not fires . If I change time forward for one hour , timeout works correctly.Time is changed by external program which makes call like ioctl ( rtcFd , RTC_SET_TIME , & newTime ) ; How to fix this problem ? We use Node.js v0.10.1... | Node.js setTimeout not fired after system time change |
JS : Using the material design lite library to create dialogs , which essentially uses the underlying < dialog > element , is there any way to dismiss the dialog by clicking on its backdrop ? ( When clicking the dialog contents themselves it should not be dismissed ) .https : //jsfiddle.net/fyjbvbqq/Clicking anywhere o... | Dismiss html dialog element by clicking the backdrop |
JS : I am currently working on a JavaScript ( pure js ) based game . The game contains 5 large sprite sheets ( e.g . 2861 × 768 and 4096 × 4864 ) . When the game starts , all 5 sprite sheets are preloaded to canvas elements . Three of those 5 sprites represent together one animation , where each sprite contains 75 fram... | NW/Node Webkit - Image decodes even if it is already visible |
JS : I am currently dealing with in issue in writing a recrusive function to order some json data . I have several nested arrays of objects which i need to order into single slides . The structure is similar to the following : I have written a recursive function : This outputs : However instead of retrieving the data f... | Ordering recursive function results in arrays of arrays |
JS : I am trying to pass data from Google Map InfoWindow to Info Page . I am able to pass and access the data.However , every time when the infoWindow is being reopen , the page will fire i+1 , overlaying each other . For example first time InfoWindow opened , Apply button clicked , it will go to Info Page . Closing th... | ionic 2/ Angular 2 - Fail to pass data from Google Maps InfoWindow to page |
JS : I 'm using react-native-material-menu 's popup for showing menu options.But the issue is , it 's not working for multiple scenarios.I mean when I click on first menu button , the same methods gets triggered and hence the same menu is opened every time.What should be the better approach for to handle this particula... | Multiple Component with Same Function Name in React Native |
JS : I am using this code : where General.dateFormat is a format MM.dd.yyyy stored in my language JSON file . But it is printed as 5 22 , 2017 AenerPMl.22PMteFor35PMt | trPMn24lPMte I think there is an issue with multiple pipe . If I replace General.dateFormat | translate with MM.dd.yyyy it works as it should . How do ... | Angular 2 date pipe |
JS : I have a mobile application that prints star ratings . Here is my codeclass star on displays colored starclass star half displays half colored starclass star display not colored starAssuming that { { item.rating } } is 2.50. how do I manipulate that in the span class that it prints 2 colored stars , half star and ... | Displaying star rating |
JS : why ? 100.toString is not same as 100.toString ( ) . So why in the second case I am not getting the function as returned value ? <code> 100 [ 'toString ' ] //does not fail100.toString //fails | 100.toString vs 100 [ 'toString ' ] |
JS : I 'd like to inject lodash by name , something like this : but say I want to rename the import , I want do something like this : oris there a way to do this with either ES6/ES7/ES8 or TypeScript ? Note that this DI framework does more work than just require ( ' x ' ) ... it will try to inject other values first , ... | Dependency injection library - renaming injected values |
JS : I have two large array of objects like : and another almost equal array.These two arrays can also have thousands of objects , for example 20k.I have to compare them and find the objects that are in the first array but not in the second oneNow i 'm doing : This works , but it blocks the UI of my app for a few secon... | Compare two large arrays of objects effectively and find the differences |
JS : in javascript this will get us 5other languages like C++ , java , c # ... . will simply give an error that the i variable is n't defined in the context.So why the for loop counter does n't get destroyed after exiting the loop in javascript ? <code> for ( var i=0 ; i < 5 ; i++ ) { } alert ( i ) ; | Why the for loop counter does n't get destroyed after exiting the loop in javascript ? |
JS : I have a Windows Store App that creates a secondary tile . When the tile is clicked , I want the app to perform , what is effectively , an off-line function ( that is , I do n't want to go back into the app , but want the app to do something and then exit ) . So in this case I want to launch the e-mail client , fo... | Windows Store App - Executing a single task when launched from a secondary tile |
JS : A friend showed me that ( at least , in the google chrome console ) the following statement prints true : And indeed , 1/Math.pow ( 0.9999999999999999 , Number.MAX_SAFE_INTEGER ) is 2.718281828459045.This ca n't be a coincidence ? ! Could someone explain what is going on behind the scenes to make this work ? Accor... | Math.E equals 0.99 ... . ^ max int |
JS : I am programming a personal website with AngularJS ( for my training ) . I use the Carousel from UI-Bootstrap like this : HTML : AngularJS : When I test this code in local it works but when I upload the website on the server it does not work ... I have an error 404 : Moreover , if I use the images without JS but w... | Error 404 GET Image when I use AngularJS |
JS : what is the significance of the hash ( # ) here , how does it relate to the .js file : <code> < script src= '' foo.js # bar=1 '' > < /script > | What does the hash ( # ) mean after a .js file ? |
JS : The following method : works on all browsers , for some reason , I need the setTimeout ( f,0 ) call for firefox , this method is called on an ajax partial load on MVC , without this call , the editor hangs on firefox and the page breaks ( clicking on stuff results on exceptions most often than not ) . with the cal... | setTimeout ( f,0 ) equivalent ? why does it solve cross-browser issues ? |
JS : Please take a look at the following JavaScript . I 've taken stuff out of it , so you may focus on the essence of the problem.You 'll notice that I call the prepPath function twice in a row , passing in the exact same string . In firefox and IE8 , this function alerts true each time ( as expected ) . But , in Chro... | Chrome V8 Bug ? Function Acting different after being called a 2nd time |
JS : I need a date format like this : yyyy-MM-dd_HH.mm.ss.fffffffAnd I tried this : And output is this : 2014-3-2_23.0.29.840How can I get ten millionths of a second so my output will be something like following ? 2014-3-2_23.0.29.8401111For some reasons I ca n't use libraries such as moment.js.Thanks . <code> var curr... | How do I get ten millionths of a second in JavaScript ? `` fffffff '' |
JS : Reading the documentation on Symbols in JavaScript , and also testing in a few environments ( Chrome , Firefox , Node.js ) , I 've realized that my understanding of implicit string conversion is flawed.I was always under the impression that the object 's toString ( ) method was called when attempting to convert to... | Symbols : How does implicit string conversion work in JavaScript ? |
JS : Is there a function that can replace a string within a string once at a specific index of the string ? Example : and the resultant output would be `` my text is my text and your big text '' <code> var string1= '' my text is my text and my big text '' ; var string2= '' my '' ; string1.replaceAt ( string2 , '' your ... | Javascript using .replace ( ) at a specific index of the search |
JS : I am trying to make a grid of a non-fixed number of squares ( 5000-6000 ) . Each box should be at least 4x4px tall with a gap of 1px . The grid should use the entire page , so you don ’ t have to scroll . Every element should be as big as possible so there is less white space . The number of columns or rows should... | CSS big grid of non-fixed number of squares in one page |
JS : I am building a chrome extension using Flutter Web , which is just a simple ListView on the home screen and basic CRUD operations . I am using dart : js package to call methods from a JS file which performs some operations on the Firebase Realtime Database.Adding a new entry to the database is working through the ... | How to receive data back to flutter when calling a method using js.context.callMethod ( ) ? |
JS : I have a grid and I would like to add a tree if a name is equal to “ Beto Carlx ” Does anyone know how to make this happen ? Thank you in advance ! Here ’ s my code : LIVE DEMOI 'm trying to use this simple tree : <code> columns : [ { header : 'NAME ' , renderer : function ( val , metadata , record ) { var recordN... | How to render tree |
JS : Can somebody explain to me the difference between the following two statements ? andThe debugger is Chrome gives me : And how can I get a variable of type of test2 , from of variable of the type of test1 ? <code> let test1 = new CustomComponent ( ) ; let test2 = < CustomComponent / > for test1CustomComponent { pro... | JSX vs component class instancing |
JS : Here is my structure in inside àpp/pods : When a error occurs , ember does not load the error route.Instead it tries to load a sub-route like index_error or user_error but these do not exist.How do i force Ember to load the root error route on any error ? Ember v2.1Ember-Cli v1.13.8 <code> |-application|-index|-er... | Ember.js - Error States in Pod structure |
JS : I 'm learning JavaScript and I came across this snippet , which demonstrates type detection : I do n't understand what the empty curly brackets are for in the first line , so I remove them like this : And the code still works . But in the following code , if I change var tellAge=getAge to var tellAge= { } .getAge ... | What does assigning to { } .toString mean ? |
JS : ( http : //eloquentjavascript.net/07_elife.html ) Im having a hard time understand what the Grid methods we added .get and .set even do.Firstly , lets go through an example case . var grid = new Grid ( 5,5 ) ; now space is an array of 25 elements . And of course width and height are 5.Now the question is what is t... | Setting up a grid . Eloquent js chapter 7 |
JS : Hello I am trying to run this code but every time I open my webpage it does n't load and I do n't get the text I echo with php in the file `` money.php '' . But if I open the console in my browser and run the code it does load . Does anyone know how I could fix this ? <code> < script type= '' text/javascript '' > ... | JavaScript wo n't load when opening my webpage |
JS : I just tried the following in a node.js console : Which means that the = part of the < = is treated the same way == is , not === . Which made me immediately try < == hoping it would do what you would hope it would . But it does n't exist.Then I tried the following : Then I started to observe even stranger behaviou... | Are there type-safe equivalents to the comparison operators in JavaScript ? |
JS : Just out of curiosity..I have this JS code : Notice the commented var item which leaves the loop with implicitly declared item variable . If I run this code on FireFox , the result of alert is : 0 : a,1 : b,2 : cIf I run the same code in Internet Explorer , the result is:0 : c,1 : c,2 : cHere is jsfiddle : https :... | Implicitly global `` item '' variable - difference between Internet Explorer and FireFox |
JS : I was looking over the js source code for Scrabb.ly.I 've noticed that they would do something like so for each of their distinct `` classes '' : Some code from the middle has been omitted but this should give you the general idea.What is the purpose of the the following : ( function ( ) { // code } ) ( ) ; Is thi... | What is this design pattern known as in JavaScript ? |
JS : When we use MobX flow decorated functions , flowtype thinks this is of type any and does no type checking.However , if we bind this to the generator , flow understands the type of this is MyComponent.My question is how can we ensure that these methods are type checked.Is there any linting rule to ensure we bind ( ... | Mobx Flow functions are not type checked by FlowType without .bind ( this ) |
JS : As per Jquery API documentation : .position ( ) Returns : ObjectDescription : Get the current coordinates of the first element in the set of matched elements , relative to the offset parent.This method does not accept any arguments.Reference hereBut somewhere i found using this : An object has been passed to posit... | Jquery position method |
JS : I load a PDF file when user clicks a button using jQuery , but it opens the document starting from the first page ( as it is always ) .I would like to link a specific page depending of the needed chapter . Is it there any way to do this nice to have thing ? Here is how I open the document : <code> $ ( ' # btnManua... | How can I link a page in a local PDF file ? |
JS : I am fetching data from database using ajax . In this data , I have a textarea which I want to align at the bottom of every page and every textarea have different data . I tried CSS positions , it 's only working for the first page because I have different data in every textarea.Js Fiddle <code> var response = { r... | Align div at the bottom of the print page |
JS : I 'm working with some code that adds and removes various CSS classes on the same object . The code looks something like : I suspect I might be able get away with chaining these two snippits into something like object_to_change.removeClass ( 'ready ' ) .addClass ( 'not_ready ' ) ; But I have to wonder : besides le... | Under what conditions do chained jQuery objects offer performance gains ? |
JS : Is there a way to get my replacer called before an object 's own toJSON transforms it , so that I can work with the original object rather than its JSON-friendly form , without overriding the toJSON on the object or its prototype , pre-processing the object , or writing my own version of JSON.stringify ? For examp... | Call the replacer *before* the object 's toJSON ? |
JS : I 'm a bit confused about loading and playing sound effects . My game is setup in different states , first the Preloader state makes sure all images and sounds are loaded . The GameState is the main game , this state is re-started for each next level . There are different levels but the state is the same , it just... | Phaser warning `` Audio source already exists '' when mp3 sound sample is played consecutively |
JS : I have a div that needs to be identified using a line and box ( which will contain a message ) like in the below mockup image.2 and 3 ( Line and a rectangular box ) are fixed to each other and draggable and 1 ( Line ) can be stretched to any direction . I have created the box but I am not able to figure out how ca... | Tool tip in html |
JS : I 'm building a report dashboard using C # and JQuery Datatables . One of the reports on the page contains an update panel with a drop down list . When the user changes the selection , the data refreshes based on the ddl selection . Within each block there is also a link that makes a server side call to export the... | jQuery Datatables ASP.NET issue |
JS : I 'm trying to code a masonry layout ( please do n't suggest using a library and yes , I know about the new Firefox CSS masonry feature , but I need better support ) starting from a CSS grid layout.The HTML looks something like this , a section with a bunch of images of various aspect ratios : The styling is prett... | Repositioning items using getBoundingClientRect ( ) data |
JS : I was just viewing stackoverflow page source and I have a few simple questions ; 1 ) What is the purpose of this ? DO search engines see this or something else ? 2 ) ? v=3731 Why is this added to the end of some javascript and stylesheet files , is it to prevent the browser from caching these items ? And if I am c... | Please help me understand a few things found in the SO page source |
JS : Sometimes when a customer is charged , there is a duplicate transaction created . We need to find those transactions so that they can be dealt with . Everything about the transaction should be identical , except the transaction id and the time at which it occurred , as there can be up to a minute delay.i need to F... | Filter Array of object based in duplicate keys |
JS : I 've written a function which makes an asynchronous request using jQuery.Syntax might be slightly wrong as I 'm using notepad , but hopefully you get the idea.I call the function : Both requests get sent and processed by the server . Two responses get sent back , which is what I expect . However , I would expect ... | Asynchronous callbacks |
JS : I 'm trying to refactor my code to ES6 . I 'm using angular-meteor and ng-table . Before refactoring , the data is shown on the table . However , after refactoring to ES6 syntax , the data does n't show anymore . This is a snippet of the refactored code : The const data is getting populated but getData is n't gett... | ES6 angular-meteor ng-table getData function not called |
JS : I 'm facing yet another issue.I 'm using firebase db to store text and firebase storage to store files . And here comes my issue.Q : How to fetch a correct image from storage when fetching particular element from database ? Here 's my attempt : As you can see , first what Im doing is uploading the image and when i... | Relation between storage and database - Firebase |
JS : I have the following html : How can i use jQuery to add take total deposits , subtract the withdrawals and append it to the p.total ? <code> < div class= '' balance '' > < div class= '' heading '' > < p class= '' total '' > < span > 00 < /span > < /p > < /div > < div class= '' instance withdrawal '' > < h3 > Rando... | Get dollar total of all elements with class using jQuery |
JS : Possible Duplicate : Interesting test of Javascript RegExp Regular expression test ca n't decide between true and false ( JavaScript ) Example of issue . When ran inline the results are as I would expect . But when stored as a variable it skips the middle span element.Mark up : Given : I understand there is no rea... | Why does the same RegExp behave differently ? |
JS : There are a number of puzzles that are variant of the classic `` 7 Bridges of Konigsberg '' puzzle where you must find a route through a set of rooms without ever using a door twice.Here is an example of one without a solution ... . and is a slightly modified puzzle that does have a solution , as you can see here.... | Canonical algorithm for `` visit each door once '' problems |
JS : I guess this is two questions . I am still having trouble with the reduce method , I get the simple way of using it reduce ( [ 1,2,3 ] , function ( a , b ) { return a + b ; } , 0 ) ; //6Using it with anything other than numbers really confuses me . So how would I build a contains function using reduce in place of ... | How do I build a contains function using reduce instead of a for loop in JavaScript ? |
JS : So EmptyObject + EmptyArray evaluates to 0 . ( Disclaimer : I do n't fully understand why this is . ) Okay , now I want to assign this 0 to a variable ! Seems pretty easy : Well , maybe not so easy . Googles a bit ... Aha ! { } in this context is actually a code block , not an empty object . So lem me make it look... | Assigning ` { } + [ ] ` to a variable |
JS : We all know that CSS prefix for Mozilla ( Gecko ) , when we refer that property using DOM , is Moz . For example : MozTransform.I have a list of prefixes used in CSS for different browsers , but I also want to know the prefixes used when referring them using DOM.List of CSS prefixes : <code> -moz -- webkit -- appl... | CSS prefixes for different browsers ? |
JS : I 'm try to add dynamically packery item by click method . All every thing is working fine except on a single click packery add three new items . My question is how to add one item on single click ? MethodDemoThanks.EditAfter page load grid items is Five . See the picture below.When click the Append items button p... | Packery appended methods add three items . How to add one item ? |
JS : SVGs are ugly please review my : JSFIDDLE LINKHTML : CSS : Question : If we overlap these 2 svgs , What would the JS function be to highlight only the svg circles that have parts of alaska ( red ) in them in them ? review description below for more infoLet 's say you have a complex shape like the outline of alaska... | Transform complex svg shapes into a circle abstraction |
JS : Ok say we have this : what I want to do is define printName , something like this : where makePrintName is a functor , something like this : is this possible with ES6 ? My editor and TypeScript is not liking thisNOTE : using ES5 , this was easy to do , and looks like this : Using class syntax , currently the best ... | Create ES6/ESNext prototype function with different scope ( not an inline function ) |
JS : I 'm trying to get data from import.io servers but till now I got nothing . But when I use another api from another server with same code I get the data . Can you tell me what I 'm doing wrong.This is working code , the problem is that I got nothing from import.io servers . but when I use another url from another ... | How can I get data from my import.io api servers |
JS : I 've got a javascript function 'doAll ' , which is supposed to write all the text that was put between < p > , < /p > tags . In my code it is used in two ways.It works correctly when I just call it at the end of the page . However it should also be triggered out when click-button event occurs . For some reason it... | Javascript function works in unexpected way |
JS : It might be a dumb question . I googled it but ca n't find the answer . Variable declaration is not allowed as parameter of a function as below.But function declaration is being allowed as a parameter of a function as below.Can anyone please help me to understandWhy variable declaration is not allowed as a paramet... | Why is variable declaration not allowed as a parameter , but function declaration is ? |
JS : Given a SELECT element : I want to select the OPTION element with the value `` bar '' .This does n't work : However , this does work : Why ? Live demo : http : //jsfiddle.net/YbfqZ/2/ <code> < select > < option > foo < /option > < option > bar < /option > < option > baz < /option > < /select > $ ( 'option [ text= ... | jquery : [ ] selector ? |
JS : If I have two types of rows : header rows and data rows . and any row should compose of 18 columns.The number of data rows is based on the number of header rows for example : and so onI want to loop over the columns of the data rows and map to the related header col data : Let 's take The second example : I have t... | How to loop conditionally to map header rows to data rows |
JS : I 'm Implementing the ajaxStart event to show a modal saying `` loading '' .But , the big problem is this modal conflicts with jQuery Autocomplete , just does n't show the list of results on autocomplete.My autocomplete is : And I 'm handling Ajax events with this : How I can disable this modal for autocomplete or... | ajaxStart cancels jQuery Autocomplete |
JS : I have four canvas in my screen , positioned two above and two below.Each one have a button that makes possible to maximize the canvas , hiding the others.This button is positioned above each canvas , with absolute position based on offsetTop and offsetLeft of the canvas.However , when I maximize or minimize a can... | HTML offsetLeft delays to change |
JS : I know automatic semi-colon injection is a contentious issue but I would prefer if I could disable it on my Node.js based server.Script : With result : Or anything similar . <code> var foo = bar ( ) var baz = foo+1 ; [ Error ] Expected ' ; ' before var on line # 2 | Way to stop ASI on Node.js and have it err ? |
JS : I 'm not talking about complex race conditions involving the network or events . Rather , I seem to have found out that the += operator is not atomic in V8 ( Chrome 58 , or Node 8 ) .The code below aims to run two so-called threads in parallel . Each `` thread '' calls repeatedly a function that returns its number... | Race condition in JavaScript with compound assignment |
JS : Using the AngularJS framework , how do I have the `` Submit '' button both update the current entity as well as clear the anchor ID - I basically want to rapid-fire add entries , but it always turns my add form into an edit form . Here 's my current div which is n't working , it 's like it 's ignoring the $ anchor... | How to submit new entity as well as clear $ anchor.task ? |
JS : I 'm very confused about this program . I bought a book called `` Node JS , MongoDB , and AngularJS Web Development '' by Brad Dayley . I found a program to demonstrate something called closure , and it shows this program as an example . This is only the first part of the program.I 've been trying to figure out ho... | Callback ( ) Node Js |
JS : I imagine I 'm missing something in yuidoc documentation or misunderstanding usage . I can not seem to find a way to include a link to an external site/page in my documentation.In a comment block , I 'd like to have something like this : <code> /** * Creates a blah-blah for blah-blahing blah . * * @ constructor * ... | How to add add external links in yuidoc ( grunt-contrib-yuidoc ) |
JS : https : //jsfiddle.net/3oda22e4/6/myFunction increments a variable and returns something . If I use a function like that in an if statement that contains the variable which it increments , the condition would be order-dependent.Is it good or bad practice to do this , and why ? <code> var a = 1 ; function myFunctio... | Is it bad practice to use a function that changes stuff inside a condition , making the condition order-dependent ? |
JS : I am looking for a function that will do something like this in Angular : I know $ eval does something similar to this , but it can not have double braces inside of it . <code> var testValues = { name : 'John Doe ' , number : 15 } somefunction ( 'Hello , { { name } } , you are { { number } } years old ' , testValu... | Angular evaluate expression as if it were in the HTML |
JS : Test in chrome ! <code> parseInt ( 123123123123123123123123 ) ; //return 1parseInt ( 123123123123123123123123123 ) ; //return 1parseInt ( 123123123123123123123123123123 ) ; //return 1 | Why parsing a very large number to integer return 1 |
JS : I want to replace all the occurrences of [ h2 ] [ /h2 ] in a JavaScript stringFor example , I haveI want to get - > hiiso far I tried <code> var mystring = 'hii [ h2 ] [ /h2 ] ' ; mystring.replace ( / [ h2 ] [ \/h2 ] /g , `` '' ) ; | Replace all string occurrences |
JS : Clicking the facebook login button in the login form correctly brings up the fb login popup , but after entering credentials the pop-up closes and nothing happens . Clicking the button again without reloading the pages confirms that the fb account is connected as browser console prints : FB.login ( ) called when u... | Debugging AllAuth : social account not logging user in despite connecting successfully |
JS : I have this that works fine on my laptop , but not on mobile iOS.However , on mobile it as a few rows , but mostly it overflows to the right . Like it will have 2 or 3 rows but then 15 or 20 items per row ( when only 2 or 3 fit on screen ) . I have n't been able to get it working since I do n't have a good system ... | flex-wrap : wrap not working on mobile iOS |
JS : I have a weird problem with AngularJS and a REST webservice.This is my code : When calling this , I 'm getting an error and the .error is executed , but the e object is null.In the console , I 'm getting this error : When doing the DELETE request in postman ( the same one which gets called by my code ) , I 'm gett... | $ http.delete returns error without information |
JS : I have a user agreement screen . Basically a HTML view with an iframe and a button . I want to enable the button when the user scrolls to the bottom . This works for all desktop browsers , IE , Chrome , Safari but does n't work on mobile safari or chrome on ios devices . It seems that the 'scrolling ' event does n... | AngularJS directive for a user agreement view , detect enabling button , does not work on mobile safari |
JS : I am trying to trigger an ajax call on change of a dropdown menu ( at client_script.php ) . The ajax call will send some values to server_script.php and it will change a div section of the client_script.php . The problem is the server script is kept in a local directory such as blocks/latestgrades/server_script.ph... | How to manipulate URL inside ajax call ? |
JS : I would like that after I click on the submit button with new values inside input fields , my network d3.js plot would get updated based on the new graph generated by new input values . Here in the following , you can find my example code : GenerateGraph.js This file contains a bunch of functions which generate a ... | Combining angularJS and d3.js : Refreshing a plot after submitting new input parameters |
JS : Why is it when I write { } .key = 0 in the chrome console I get an error : But when I encapsulate the above expression in parentheses ( ( ) ) I get no error : What exactly is going on here ? I would have thought the same error I got in the first scenario still applied to the second ? Image of console output : <cod... | Why does adding parentheses prevent an error ? |
JS : I 've been using jQuery to create HTML elements and then adding them to an XML document , like this : This is the output ( on Chrome 24 ) : Here 's the JSFiddle link . Unfortunately , I 'm having two problems.When I try to create an element with the name like child , it correctly creates a element with the tagName... | jQuery creates incorrect element for image tag |
JS : Just asking to understand how it works : It returns a very weird output . I think that My name is is a string within an array and everything else is just a string ( correct me if I am wrong ) .My Question is , what is the point of that and when would it make sense to use a function like that ? Also I would be glad... | Function without parentheses returns a weird output |
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