javascript - onunload not working as expected in IE10 -

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i facing strange problem in environment, let me explain it.

i have html page shown below -

<!doctype html> <html>    <head>       <script type="text/javascript>          window.onunload=function(){alert("unloading page");}       </script>    </head>    <body>       <a href="http://localhost:8080/abc">localhost</a>    </body> </html>

when opening page in ie10 , clicking on localhost link, can't see alert "unloading page". however, in ie7, it's working fine.

however if use "http://google.co.in/" instead, it's working in both ie10 , ie7.

can please me resolve issue? in advance.


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