Is there any function in jquery that counts the time the mouse is over a div?
<p>I'm using jquery and 
when i mouse over div A, div B appears.</p>

<p>What i would like to achieve is:</p>

<p>When the mouse is over div A <strong>greater than 3 seconds</strong> ( > 3s),
the div B shall appear.</p>

<p>Is there any function in jquery that counts the time the mouse is over a div??</p>

<p>Thanks, in advance</p>
