Top "Getelementbyid" questions

getElementById is an essential method commonly used in JavaScript in the browser to retrieve a particular element node in a HTML or XML document by its ID.

Cannot read property 'addEventListener' of null

I have to use vanilla JavaScript for a project. I have a few functions, one of which is a button …

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How to access a DOM element in React? What is the equilvalent of document.getElementById() in React

How do I select certain bars in react.js? This is my code: var Progressbar = React.createClass({ getInitialState: function () { return { …

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How to getElementByClass instead of GetElementById with JavaScript?

I'm trying to toggle the visibility of certain DIV elements on a website depending on the class of each DIV. …

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Get element inside element by class and ID - JavaScript

Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat …

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Getting the parent div of element

This should be really simple but I'm having trouble with it. How do I get a parent div of a …

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Selecting an element in iFrame jQuery

In our application, we parse a web page and load it into another page in an iFrame. All the elements …

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How to pick element inside iframe using document.getElementById

I have a iframe like this <iframe name="myframe1" id="myframe1" width="100%" height="100%" src="a.html"> <html&…

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document.getElementByID is not a function

I'm learning jQuery and was following a tutorial, a very strange error has perplexed me. Here's my html : <!doctype …

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JavaScript getElementByID() not working

Why does refButton get null in the following JavaScript code? <html> <head> <title></…

javascript getelementbyid
getElementById returns null?

document.getElementById('id of div that definately exists') returns null. I originally loaded the javascript last in order to make …

javascript getelementbyid