title: catch paste event
body: <p>I need a catch copy &amp; paste event. I have a example. But paste event fires 4 times. Why? I need a it a one time. Here is the code? Please help me?</p>
  
  <pre><code>$(function() {
    return $('#myform').bind('paste', function(e) {
      return alert("123");
    });
  });
  </code></pre>