are text.trim() really can't work in IE8
<p>when i test my web-page in chrome and firefox they work fine. but in IE it does not worked.</p>

<p>i found that </p>

<p><code>(" .class li").text().trim()</code> not worked in IE he give  me error that </p>

<p>Object doesn't support this property or method. but in FF and chrome they work fine. are i goes something wrong to handle this.</p>
