title: How to debug user entry issues in JavaScript with WebKit developer tools?
body: <p>I have an issue where input is being doubled, tripled, quadrupled, etc. on user input after changing a select dropdown multiple times.  Here's a small video showing my dilemma and posing the question: <a href="http://screencast.com/t/7Gb01nGe787p" rel="nofollow">http://screencast.com/t/7Gb01nGe787p</a></p>
  
  <p>Essentially the question is how to debug properly given circumstances like this?</p>