How Can JavaScript Be Integrated into CSS Using HTC Behavior and XBL?

Implementing JavaScript in CSS

JavaScript integration within CSS is indeed feasible, as demonstrated by both Internet Explorer (IE) and Firefox.

IE via HTC Behavior and XBL in Firefox

HTC Behavior for IE:

body {
  behavior:url(script.htc);
}

<PUBLIC:COMPONENT TAGNAME="xss">
   <PUBLIC:ATTACH EVENT="ondocumentready" ONEVENT="main()" LITERALCONTENT="false"/>
</PUBLIC:COMPONENT>
<SCRIPT>
   function main() {
     alert("HTC script executed.");
   }
</SCRIPT>

XBL for Firefox:

body {
  -moz-binding: url(script.xml#mycode);
}

<?xml version="1.0"?>
<bindings xmlns="http://www.mozilla.org/xbl" xmlns:html="http://www.w3.org/1999/xhtml">
  <binding>

Execution Trigger

In both methods, the script executes only when an element within the document matches the CSS selector. Employing a selector like body initiates execution upon page load.

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