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javascript in mozilla firefox

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Join Date: Mar 2006
Posts: 6
Reputation: unicorn11 is an unknown quantity at this point 
Rep Power: 0
Solved Threads: 0
unicorn11 unicorn11 is offline Offline
Newbie Poster

Re: javascript in mozilla firefox

  #7  
Apr 10th, 2006
the problem with this page is that the event that you have fired happens even if the page is refreshed. and he does not what that to happen. he wants to call the event only when the browser window is shut

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Originally Posted by tgreer
There is quite a bit wrong in your code. First, you absolutely don't need to measure any mouse position or x,y coordinates do what you've asked.

This will work to create an alert when the user closes the window:

Help with Code Tags 
<!-- note: you're missing a doctype here! -->
<html>
<head>
<title>Test</title> 
<script type="text/javascript"> 
 
function unLoadFnc() 
{
  alert("Closing the window .. ");
}
 </script> 
</head> 
<body onUnload="unLoadFnc();"> 
Sample Html. 
</body> 
</html>

There's no need for events, clientX, any of that. Perhaps though, you're not showing me the entire script or explaining the entire project. So, in the case that you DO need the event, you need to test if it's part of the window object (IE) or not.

Here's how I would code it:

Help with Code Tags 
<!-- doctype excluded, you need to pick one -->
<html>
<head>
<title>Test</title>

<script type="text/javascript">
function unLoadFnc(evt)
{
  var e = (window.event) ? window.event : evt;
  alert(e.clientX);
}
</script>
</head>

<body onUnload="unLoadFnc(event);">

Sample Html.
</body>
</html>

I hope you're noting a few things, such as the fact that your page needs a doctype declaration, the proper way to write a script tag, and the semicolon after your event handler assignment.

The goal is to pass in the event object, and in your function, create a variable to hold it, using the tertiary operator.

Note, in FireFox, if you ran this code, the alert would say "undefined". That's because the widget that closes the window (the 'X') isn't within the client, so clientX would be undefined.

You'd actually have to click something in the client area to get a value.

For example, a button:

Help with Code Tags 
<!-- doctype excluded, you need to pick one -->
<html>
<head>
<title>Test</title>

<script type="text/javascript">
function unLoadFnc(evt)
{
  var e = (window.event) ? window.event : evt;
  alert(e.clientX);
}
</script>
</head>
<body>
Sample Html.
<form>
<input type="button" onclick="unLoadFnc(event);" />
</form>

</body>
</html>
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