title: change background color of current element
body: <p>how can I change the background color of current element using plain javascript? for instance </p>
  
  <pre><code>&lt;li onmouseover="this.backgroundColor:#000;"&gt;something&lt;/li&gt;
  </code></pre>
  
  <p>This doesn't work, but you will get the idea what I want to do. Thank you</p>