jquery addClass to all the li:first.selection
<p>jquery how to addClass to all the <code>ul.menu</code> <code>li:first.selection</code>?</p>

<p>demo code here:</p>

<p><a href="http://jsfiddle.net/NkbDY/" rel="nofollow">http://jsfiddle.net/NkbDY/</a></p>

<p>I need <code>menu1</code> <code>menu4</code> <code>menu7</code>, all the <code>first li</code> in <code>ul.menu</code> change font color to red.</p>

<p>Thanks.</p>
