event attach with on is not unbinding
<p>I am loading <code>.html</code> file using jquery <code>load()</code> function. The html file which i am loading </p>

<p>contains some script, in that script there is <code>keydown event</code> binded with the document, </p>

<p>like :          <code>$(document).on("keydown", handler);</code>. Now in the callback of <code>load()</code> i am </p>

<p>trying to unbind <code>keydown event</code>, <code>$(document).off("keydown");</code> but the event was not unbind. </p>

<p>Can anybody tell me what i am doing wrong?</p>
