I have a list like this:
<li class="nav" id="1"><a href="#detail">a</a></li>
<li class="nav" id="2"><a href="#detail">b</a></li>
<li class="nav" id="3"><a href="#detail">c</a></li>
Now I want to use jQuery to save the id (1,2 or 3) which was clicked. How to do this?