Detect browser window closing event in Firefox -

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Detect browser window closing event in Firefox -

Jul 2nd, 2007

Hi,

I want to execute some java script code when I close the browser. The following code is executing in I.E. But I want to execute in Firefox and Netscape.

<html>
<head>
<script language="JavaScript">

function doUnload(evt)
{
var e = (window.event) ? window.event : evt;

if (e.clientX < 0 && e.clientY < 0){
{

alert("window closing....");

}
}

</script>

</head>
<body onunload="doUnload(event)">

</body>
</html>

In firefox clientX and clientY are getting as "undefined"....

Can any One Please help me.

Thanks in advance

Deepthi

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Re: Detect browser window closing event in Firefox -

Jul 2nd, 2007

This a a cross browser compatible script for finding out the mouse coordinates using Javascript. Referred from this site.

 Help with Code Tags 
 javascript Syntax (Toggle Plain Text) 
    function doSomething(e) {
        var posx = 0;
        var posy = 0;
        if (!e) var e = window.event;
        if (e.pageX || e.pageY)     {
            posx = e.pageX;
            posy = e.pageY;
        }
        else if (e.clientX || e.clientY)     {
            posx = e.clientX + document.body.scrollLeft
                + document.documentElement.scrollLeft;
            posy = e.clientY + document.body.scrollTop
                + document.documentElement.scrollTop;
        }
        alert(posx + ", " + posy);
    }
    function doSomething(e) {
        var posx = 0;
        var posy = 0;
        if (!e) var e = window.event;
        if (e.pageX || e.pageY)     {
            posx = e.pageX;
            posy = e.pageY;
        }
        else if (e.clientX || e.clientY)     {
            posx = e.clientX + document.body.scrollLeft
                + document.documentElement.scrollLeft;
            posy = e.clientY + document.body.scrollTop
                + document.documentElement.scrollTop;
        }
        alert(posx + ", " + posy);
    }

Last edited by ~s.o.s~ : Jul 2nd, 2007 at 4:04 am.

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Re: Detect browser window closing event in Firefox -

Jul 3rd, 2007

Hi,

Thanks for your reply..

I am getting the mouse coordinates in IE, but not in firefox using the above codes.

My requirement is to execute some function while closing the browser window. It should not work while refreshing the page.

Thank you.

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Rebellion Revamped

Re: Detect browser window closing event in Firefox -

Jul 4th, 2007

The coordinates are working fine in my case. There must be some error on your part. Post the code if it still doesn't work.

As for executing a function when the window closes, you can use the onunload callback function.

Here is an example:

 Help with Code Tags 
 html Syntax (Toggle Plain Text) 
<html>
<head>
<script>
    function doSomething(e) {
        var posx = 0;
        var posy = 0;
        if (!e) var e = window.event;
        if (e.pageX || e.pageY)     {
            posx = e.pageX;
            posy = e.pageY;
        }
        else if (e.clientX || e.clientY)     {
            posx = e.clientX + document.body.scrollLeft
                + document.documentElement.scrollLeft;
            posy = e.clientY + document.body.scrollTop
                + document.documentElement.scrollTop;
        }
        alert(posx + ", " + posy);
    }
 
    function confirmMe()
    {
        alert("Thank you for visiting us!!");
    }
</script>
</head>
<body onunload="confirmMe();">
    <div onclick="doSomething(event);">Hello there</div>
</body>
</html>
<html>
<head>
<script>
    function doSomething(e) {
        var posx = 0;
        var posy = 0;
        if (!e) var e = window.event;
        if (e.pageX || e.pageY)     {
            posx = e.pageX;
            posy = e.pageY;
        }
        else if (e.clientX || e.clientY)     {
            posx = e.clientX + document.body.scrollLeft
                + document.documentElement.scrollLeft;
            posy = e.clientY + document.body.scrollTop
                + document.documentElement.scrollTop;
        }
        alert(posx + ", " + posy);
    }
    
    function confirmMe()
    {
        alert("Thank you for visiting us!!");
    }
</script>
</head>
<body onunload="confirmMe();">
    <div onclick="doSomething(event);">Hello there</div>
</body>
</html>

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Re: Detect browser window closing event in Firefox -

Jul 5th, 2007

Yes, the code is detecting the mouse coordinates. But it is working when REFRESHING the page and on every other button events(back button..) .

Is there any possible way to execute some functions, only on closing the browser window(in firefox)?

Thank you.

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Re: Detect browser window closing event in Firefox -

Jul 5th, 2007

> Is there any possible way to execute some functions, only on
> closing the browser window(in firefox)?
As far as I know, no.

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Re: Detect browser window closing event in Firefox -

Jul 13th, 2007

Even if you could do that, Firefox closes so quickly that nobody could read it.

If somebody clicks the X, they want to close the program now. They don't want it to do any more.

If IE can do it, it is because IE has a nonstandard extension to web code. Never use nonstandard code.

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Re: Detect browser window closing event in Firefox -

Jul 14th, 2007

> Even if you could do that, Firefox closes so quickly that nobody could read it.
The 'onunload' event fires before the browser is closed and if an alert is fired, stops the window from closing so 'closes so quickly' is not an issue as such. The problem here is that the OP wants a function which would be fired _if and only if_ the browser is closed which I don't think is possible using any standard way.

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Re: Detect browser window closing event in Firefox

Jul 17th, 2007

My purpose is to delete a record from the database table while closing (only) the browser window using X.

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Re: Detect browser window closing event in Firefox -

#10

Jul 18th, 2007

AFAIK, you can't do that since before the document is being unloaded, submitting the form is an illegal action.

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