title: How to troubleshoot a "long running script" message in Internet Explorer 11?
body: <p>Internet Explorer 11 displays the message at the bottom that a <code>not responding due to long running script</code>.  And it's true - the browser is pretty much unresponsive for a while.</p>
  
  <p>I've inherited a code base with 30-40 js includes and they are all doing all kinds of things.  </p>
  
  <p>How do I find out specifically which script is causing this problem?
  How do I troubleshoot this type of problem in general?</p>