<div>
Nope. onClose does not exist.<br />
<br />
<br />
You are looking for<br />
&lt;body onBeforeUnload=&quot;returnValu<wbr />e='Please don\'t go'&quot;&gt;<br />

</div>


Nope. onClose does not exist.


You are looking for
<body onBeforeUnload="returnValue='Please don\'t go'">


<div>
<div class="content wysiwyg-content">
Is there a way of catching a form_unload a type of event for Internet Explorer, with a cancel= true type of parameter?<br />
I mean when &nbsp;a form/IE is exiting without saving, it gives you a chance to ask the user to confirm &quot;&nbsp;Exit without saving?&quot;
</div>
</div>


Is there a way of catching a form_unload a type of event for Internet Explorer, with a cancel= true type of parameter?
I mean when  a form/IE is exiting without saving, it gives you a chance to ask the user to confirm " Exit without saving?"

Internet Explorer closing event -catching  in JavaScript

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.