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`:hidden` expression not working in IE8 if hidden using a `class` attribute instead of `style`

Tags: IE8 jquery-expression expr-hidden

04/01/2013
14:42

arunpjohny

Bangalore

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04/01/2013

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If an element is hidden using an class attribute like hidden, in IE 8 $(elem).is(':hidden') returns false instead of true.

I've created a test case using jsFiddle.

Code sample

<table>
<tr class="tr-1"><td>shown</td></tr>
<tr class="tr-2" style="display: none"><td>hidden by style</td></tr>
<tr class="tr-3 hide"><td>hidden by class</td></tr>
</table>

var log = function(message){
$log.append(message + '<br />');
}

log('tr-1: ' + $('.tr-1').is(':hidden'));
log('tr-2: ' + $('.tr-2').is(':hidden'));
log('tr-3: ' + $('.tr-3').is(':hidden'));
</script>

I'm using jQuery 1.7.1 and the issue is tested against the latest version jqGrid version 4.4.1.

The issue seems to be a buggy overriding of $.expr[":"].hidden method in case of IE8 browser.

If this overridden methods is removed then the application works as expected.

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