In following html code, how can I select element a for ‘Item 2_1’, ‘Item 3_1’, …
<ul>
<li><a href="#">Item 1</a></li>
<li><a href="#">Item 2</a>
<ul>
<li><a href="#">Item 2_1</a></li>
<li><a href="#">Item 2_2</a></li>
<li><a href="#">Item 2_3</a></li>
<li><a href="#">Item 2_4</a></li>
</ul>
</li>
<li><a href="#">Item 3</a>
<ul>
<li><a href="#">Item 3_1</a></li>
<li><a href="#">Item 3_2</a></li>
</ul>
</li>
</ul>
Something like
should do the Job