title: in jQuery, how to select by class child elements inside a tag with id attribute?
body: <p>I have the following code</p>
  
  <pre><code>&lt;tr id="myid"&gt;
  &lt;td&gt;
  &lt;div&gt;
  ...
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  ...
  &lt;/div&gt;
  &lt;/td&gt;
  &lt;/tr&gt;
  &lt;tr id="anotherid"&gt;
  &lt;td&gt;
  &lt;div&gt;
  ...
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  &lt;a href="" class="myclass"&gt;&lt;/a&gt;
  ...
  &lt;/div&gt;
  &lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>and I'm trying to select A tags inside tag TR with ID "myid" attribute however the following code doesn't works:</p>
  
  <pre><code>$('#myid.myclass')
  </code></pre>
  
  <p>How can I select the A tags, using the TR ID?</p>