onchange

Overview

An onchange attribute is an event listener to the object for the Event change. A change event is fired in different ways for different XUL Input Elements as listed below:

onchange: Type: script code

TextBox	When Enter key is pressed
Radio/Check Box	When the state is changed
Select List	When the selected item is changed

What is accessible

The script context at this point can only access the following things:

Global Values/Functions i.e. window, document, or any of the functions/objects/variables bound to the window object
Event object

Example

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>

<window
    id="findfile-window"
    title="Find Files"
    orient="horizontal"
    xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="text/javascript">
  function myFunction(e){
    /*
      Do something cool here or just say the below
    */
    alert(e.target.nodeName);
  }
  </script>
  <textbox id="find-text" onchange="return myFunction(event);"/>
</window>