JavaScript Sample

I want to know whether it is possible to get a DOM element's ::before content, which was set by… Read more How To Get A Dom Element's ::before Content With Javascript?

I have the following HTML: Make Select2 Solution 1: The problem is because replaceWith() returns … Read more Chained Method Calls Doesn't Work On Original Nor Cloned Element?

In the code at the line marked as //Error in comments. I get Javascript error saying: 'Cannot r… Read more Document.getelementbyid() Returning Null

I've got the script below window.addEventListener('DOMContentLoaded', (event) => { d… Read more Getting Error Uncaught Typeerror: Document.queryselectorall(...).addeventlistener Is Not A Function

I'm building 10 buttons on the DOM and want to see if there is a more efficient way of building… Read more How To Create And Append Multiple Dom Elements Efficiently

Is this proper code for javascript? var inputsClass = document.getElementsByClassName('inputCla… Read more Proper Code For A For Loop In Javascript?

Is there a way to detect when an iframe is loaded in javascript / jQuery? With the following condit… Read more Detect Load Of Iframe (not Same Domain, Dynamically Added) In Javascript Or Jquery?

In Firefox, Opera and IE I can get them via: >> for (k in document.body.style) console.log(k)… Read more How Do I Get All Supported Css Properties In Webkit?

I have made a function for to create DOM-elements: The type of DOM-element is specified as the fir… Read more Javascript: How Can I Check For "htmlunknownelement"?

For a select element, is there any difference between the length property and the options.length pr… Read more Select Length Vs. Options.length

I am learning HTML DOM. I am curious if there is any other programming language other than JavaScri… Read more Are There Any Programming Languages Other Than Javascript That Can Access And Update Html Dom?

In this JSFiddle, both inputs (textbox and slider) are bound to each other. When the slider is drag… Read more D3.js Selection Not Working

Once, I tried adding a button with 'bookmark-item pagerank' as class to PersonalToolbar. No… Read more I Try To Add A New Button To Firefox, But It's The Old Button That Gets Added!

I wanna get the width of browser window. It should contain the width of scroll bar if exists. How t… Read more Window.innerwidth Can't Work On Ie7. How To Fix Via Js And Jquery?

So i have a page with a bunch of images. And I have a function which fades out these layers using I… Read more Ie Filter Antialiasing Problem

Why is it that input.value is used instead of input.textContent. What is the difference between bo… Read more Give The Difference Between Input.value And Input.textcontent. Why Is One Used Instead Of The Other?

I need to save web page using Qt WebKit similar to 'Save as complete webpage'. Following ar… Read more How To Save Webpage In Qt Webkit As "save As Complete Webpage"

I am trying to use Bootstrap 3 radio buttons. Things seem to be working fine, other than the input … Read more Bootstrap 3 Radio Buttons Double Toggling

I am currently writing a Firefox extension that uses fuzzy search to highligth words on a web page.… Read more How To Wrap Part Of The Text In A Node That Has 'display: Flex And Justify-content: Space-between' Styling?

UPDATE: the HTML was not well formed. This was causing the script to appear in inner div. Please ig… Read more How To Overcome Ie Bug When Dynamically Attaching Div To Body From Script