I'm building 10 buttons on the DOM and want to see if there is a more efficient way of building them because it seems strange to be calling createElement and appendChild 10 times.   <script> function makeAlertButtons () {   var container =...
Every browser I've observed creates a <head> element that's accessible in the DOM even if there are no explicit <head></head> tags in the document's markup.  However, Google Analytics uses the following code for dynamic...
I'm trying to understand a hierarchical picture of window, document and iframe.  So, window is simply the browser's window and document is where the DOM exists. The document is loaded in window.  Is creating an iframe much like creating a dia...
I'm trying to detect when my document height changes.  Once it does, I need to run a few functions to help organize my page layout.  I'm not looking for window.onresize.  I need the entire document, which is larger than the window.  How do I...
I am trying to improve my knowledge of javascript and while searching for some "best practices", someone pointed out to me that it is faster to cache the DOM document and then access it through that var instead of accessing the document objec...
What i am trying to do is get scripts from body tag but only scripts that have text not script links  e-g <script type="text/javascript">console.log("for a test run");</script>  not the scripts that have file src.  and wan...
I have a javascript code like below :    function foo() {     console.log("outer function") }  $(document).click(function(event) {     if(false) {         foo();         function foo() {             console.log("inner function")...
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I use Mootools and I have quite a few utility functions and stuff that happens on lots of pages. I move these functions into a main JS file so I dont need to remember to add individual aspects to each page, normal sort of a pattern for development I&...
I have created a new DOM document using     var foo=document.implementation.createDocument(null, "html"); and I want to set some properties, including location. But foo.location returns null and foo.location.href="https://stackoverflow.co...

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