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How to stop browser window closing

Venkata Ramana

Joined: Feb 14, 2002
Posts: 17
In javascript onbeforeunload event i called a method. as
<body onbeforeunload=fun>
This event is when i clicked on 'X' on top right corner.(i.e. before closing the browser window)
in 'fun' function i want to stop the browser window closing. how can i achieve this.
Eric Pascarello

Joined: Nov 08, 2001
Posts: 15385
<SCRIPT LANGUAGE=JavaScript FOR=window EVENT=onbeforeunload>
var strMsg = 'Leaving this page with will cause you to loose any information you have entered'
window.event.returnValue = strMsg;
// -->
It is sorta covered in the JavaRanch Style Guide.
subject: How to stop browser window closing
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