title: How to debug Javascript Unresponsive Script error in Firefox
body: <p>Sometimes when I reload a website in Firefox and reload it displays an Unresponsive Script error, but I'm not sure how to debug it because the problem appears to be in jQuery itself.</p>
  
  <blockquote>
    <p>A script on this page may be busy, or it may have stopped responding.
    You can stop the script now, or you can continue to see if the script
    will complete.</p>
    
    <p>/assets/jquery.js?body=1:349</p>
  </blockquote>
  
  <p>How can I debug this?</p>