title: How can I know a button's event handler in a html page?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/570960/how-to-debug-javascript-jquery-event-bindings-with-firebug-or-similar-tool">How to debug Javascript/jQuery event bindings with FireBug (or similar tool)</a><br>
    <a href="https://stackoverflow.com/questions/679994/how-to-inspect-an-elements-associated-event-handlers">How to inspect an element&#39;s associated event handlers?</a>  </p>
  </blockquote>
  
  
  
  <p>Sometimes,I use firebug to inspect a button in page, I found there is no onclick function. But actually it did have an event handler. I think it used "bind" method to attach event handler.</p>
  
  <p>Now, my question is how can I use some tool and I can find out the event handler easily?</p>