Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome:  For a given HTMLElement with ID in the DOM tree, it is possible to retrieve the div using its ID as the variable name. So for a di...
How do I select certain bars in react.js?  This is my code:  var Progressbar = React.createClass({     getInitialState: function () {         return { completed: this.props.completed };     },     addPrecent: function (value) {         this.props.c...
All browsers I've come to work with allow accessing an element with id="myDiv" by simply writing:  myDiv   See here: http://jsfiddle.net/L91q54Lt/  Anyway, this method seems to be quite poorly documented, and in fact, the sources I come...
document.getElementById('id of div that definately exists') returns null.  I originally loaded the javascript last in order to make sure I wouldn't need to worry about the onload event. I also tried using the onload event. It's very...
I need to get the ID of an element but the value is dynamic with only the beginning of it is the same always.   Heres a snippet of the code.  <form class="form-poll" id="poll-1225962377536" action="/cs/Satellite">   Th...
I have to use vanilla JavaScript for a project.  I have a few functions, one of which is a button that opens a menu.  It works on pages where the target id exists, but causes an error on pages where the id doesn't exist.  On those pages where t...
I've been looking for an answer to this question but I could find none so I thought I'd try StackOverflow.  In javascript, is this valid:  x = document.getElementById('myId'); y = x.getElementById('mySecondId');  I know this...
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:  <div id="foo">     <div class="bar&...
I'm running GM_xmlhttpRequest (in a Greasemonkey script) and storing the responseText into a newly created HTML element:  var responseHTML = document.createElement('HTML'); ... onload: function() { responseHTML.innerHTML = response.resp...

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