784630 - onbeforeunload

Status: RESOLVED DUPLICATE of bug 641509

(Firefox :: Untriaged, defect)

Description

[sunny.jiang]

User Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.2)

Steps to reproduce:

I want to alter the Dialog message when quit forefox.but I can't.It's default like "This page asking you to confirm that you want to leave - you input the data may not be saved".


Actual results:

this is my codding.
<script type="text/javascript">
		window.onbeforeunload = function(){
			return "OK";
		}
	</script>




Expected results:

Why not the default message Instead of my information(OK).