title: jquery background color change on button click
body: <p>Why doesnt this work?</p>
  
  <h2>jquery</h2>
  
  <pre><code>$("#button").click(function(){ 
   $("go").css("background-color","yellow");
   });
  </code></pre>
  
  <h2>html</h2>
  
  <pre><code>&lt;table&gt;&lt;tr id=go bgcolor=#010609&gt;&lt;td&gt;hello&lt;/td&gt;&lt;/tr&lt;/table&gt;
  &lt;input type=button id=button&gt;
  </code></pre>