javascript magazin

I'm trying to make a music player application with Electron & React. I have been able to ac… Read more Way To Read Filenames From Directory And Output To Json With Electron & React

So, I was just wondering if I absolutely need to have a onChange event handler on a select componen… Read more Reactjs: Select With Default Value From Props Without Onchange Event?

I'm doing a study on WebSocket protocol and trying to implement a simple ECHO service for now w… Read more Keeping The Websocket Connection Alive

Problem : Uncaught TypeError: Object # has no method 'push' in console. Code in http://js… Read more Push() Not Working In Javascript

I stuck until here, I got infinite loop when I proceed. Below code is a half way, how to print from… Read more Print Time Of Javascript Using Loop

Trying to get this javascript code: result = response.return || response; to work in Google Sh… Read more Google App Script

See this demo (dependent on selectionchange event which works in Chrome only at this moment): http:… Read more Prevent Javascript Window.getselection() Circular Reference

I want to capture thing in nothing globally and case insensitively. For some reason this doesn'… Read more How Do You Use Non Captured Elements In A Javascript Regex?

I have a Angular 8 application and I have a form. But I want to detect a change when a user selects… Read more Change Detection Doesnt Work With File Upload

I set up an overlay slick carousel, so when you click on the image a larger carousel appears with t… Read more Slick Carousel Blank

I have a page which issues several ajax queries in $('document').ready(). I want to use fad… Read more Are Jquery Fadein(), Animation() Functions Non-blocking?

Looking at a couple of different docs, all I see is when the Map (ECMAScript6) key is a boolean, st… Read more How To Check If Javascript Map Has An Object Key

In success of ajax return, on the success state, I run this append: $('hello').append('… Read more Forward Slashes ('/') Are Not Getting Created While Appending - Jquery

First version: ExternalInterface.call('$(document).trigger', 'opened_file_chooser')… Read more Externalinterface Gives Me An Option Of Stopping The Script When Using Multiple Parameters. Why?

In JavaScript I can bind arguments to a function like so.. function foo(arg1, arg2) { console.log(a… Read more Skipping An Argument Using The Javascript .bind() Method

i have client website http://indiahomeplus.com/mapview.php when clicking on filter and then selecti… Read more Outer Div Is Hiding When Clicking On Inner Div

In Ruby, you can do this: 3.times { print 'Ho! ' } # => Ho! Ho! Ho! I tried to do it in… Read more Why Doesn't Javascript Let You Call Methods On Numbers Directly?

Hi I try to make a animation. One of the 3 circles which become drawed when the function is called … Read more Create Animation With Circles Time Dependent

I am starting to use the Share button from Google. I am actually using the Share link, and at some … Read more Escape User-generated Content - What Does That Mean?

I am trying to add text over a set of dynamic images that I have added with Javascript. I have a lo… Read more Text Over Image In Javascript And Css

why does this http://jsfiddle.net/BkGxq/1/ return '$undefined' ? if i dont do level_price… Read more Javascript Variable Issue

I have 2 dates and I need to create a 3rd date using those 2 dates. if (document.getElementById(… Read more Manipulating Date/time With Js And Moment

In browsers that support HTML5, this code draws a diagonal line: Read more How Can I Draw A Diagonal Line In That Looks The Same In Safari/chrome/firefox?

I am new to JS. Right now I managed to make a text appear and a div slide to the right when I click… Read more How To Make Two Functions React On A Click

I'm trying to extend the example grammar of PEG.js for parsing mathematical expressions with al… Read more Parsing Complete Mathematical Expressions With Peg.js

I use FullCalendar in my application and its working. Now I need to change the color of Italian ho… Read more Add Italian Holidays Into Fullcalendar

Removing the src attribute on an image tag doesn't seem to redraw the view on iOS(7) or Android… Read more Removing Image Src Attribute

I got some great help parsing some RSS into a menu yesterday using jQuery Parse RSS feed with JS, a… Read more Dynamically Setting Bar Graph Values From A Xml Source

I was just trying to understand modules in node. I understood few things like node creates a module… Read more Does Require In Node Uses Eval To Run A Code In Another File

I'm having a little trouble configuring a live preview of data via AJAX. I managed to get a pre… Read more Ajax Function Live Preview From Drop Down List

.coffee @FooCtrl = -> $scope.products = Product.query() .html Solution 1: The way you are … Read more Dynamic Ng-init Variable - Angularjs

Can you help me to solve this problem. The problem is this. I have multiple select lists with same … Read more How To Preserve All Select Elements Selected Values In Jquery

I've created a module (following Javascript's Module Pattern) that makes an http request, c… Read more How To Avoid Manually Caching A Request That Returned An Error?

I am trying to check to see if wordDefinitionId is defined and not null. Here's what I have be… Read more How Can I Check If A Variable In An Array In An Array In An Array Is Defined And Not Null?

I am trying to show the 'next button' once the user clicks on the inputs, so they only get … Read more Jquery To Display Next Button Once A Input Button Is Clicked

I don't understand how to add a textarea type in sweet alert. Similar to type: 'input'… Read more How To Add Textarea Tag As Input Element In Sweet Alert Using Jquery

It appears that altering the dimensions of a canvas clears any drawing already done on that canvas.… Read more Javascript Event For Canvas Resize

I'm working on a JavaScript exercise and having some trouble untangling the logic as to why it … Read more Not Sure Why This Function Returns A Reversed Array

When using the R leaflet package, how can I add something additional to the attribution string (i.e… Read more R Leaflet Custom Attribution String

I have 2 databases: slow and fast; each of which was fed with 4096 entries. The age key is a unique… Read more Is Cursor.skip() On Indexed Keys Always Faster?

Let's suppose I have the array: [1, 2, 3, 4] Now let's suppose I want to know the first in… Read more A Loosely-typed Indexof()?

I need to build a kind of map in canvas, which must be able to hold more than 10.000 elements and t… Read more Android Significantly Slower In Resizing And Moving Multiple Canvas Elements

I want to create the following json 'model':[ { '_id': 123, … Read more Correct Way To Create Json From Neo4j Rest Api

I want to access the value of state/property in new state prop. Actually I have already state prope… Read more React : Typeerror: Cannot Read Property 'item' Of Undefined

I am Trying to create nested group of my javascript raw object. item=[ {name:'Root1',id:1,p… Read more How To Create Nested Group Of Properties

I am trying to add the className 'direction-r' to the divs in the 'timeline' list t… Read more Adding Classnames To Odd And Even Elements In Reactjs