Parenthesis around functions in JavaScript
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax">Explain JavaScript&#39;s encapsulated anonymous function syntax</a>  </p>
</blockquote>



<p>I've seen this code:</p>

<pre><code>( fab.nodejs )
     ( function() { this({body: "my app" })(); })
</code></pre>

<p>I wonder what the outer parenthesis do?</p>
