title: How to check if click event is already bound - JQuery
body: <p>I am binding a click event with a button:</p>
  
  <pre><code>$('#myButton').bind('click',  onButtonClicked);
  </code></pre>
  
  <p>In one scenario, this is getting called multiple times, so when I do a <code>trigger</code> I see multiple ajax calls which I want to prevent.</p>
  
  <p>How do I <code>bind</code> only if its not bound before.</p>