title: What does three semicolons in a javascript expression do?
body: <p>I've seen a triple semicolon in a few expressions here and there.<br>
  Does it have any logical effect?  </p>
  
  <p>The closest thing I've seen for an explanation is that it tells the Dean Edwards compressor to ignore that line.  </p>
  
  <pre><code>;;; var someVar = 'Rebel';
  </code></pre>