title: What are the performance implications of getElementsByTagName("*")?
body: <p>Let me start out by saying that I'm not a JavaScript developer so this question may be rather basic.</p>
  
  <p>When simulating IE's nonstandard <a href="http://msdn.microsoft.com/en-us/library/aa752281.aspx" rel="nofollow noreferrer"><code>all</code></a> property I'm using <code>getElementsByTagName("*")</code>, is there a significant performance difference between both methods?</p>