title: AS3: Marking a variable for garbage collection, null or delete?
body: <p>If you have a variable that is a MovieClip, Sprite, String, Number, int, uint, or a Boolean, do you remove it's reference by adding:</p>
  
  <pre><code>myVariable = null;
  </code></pre>
  
  <p>OR</p>
  
  <pre><code>delete(myVariable);
  </code></pre>