title: does internet explorer supports e.preventDefault
body: <p>Does internet explorer does not support <code>e.preventDefault</code> in javascript? If not what is the reason and what are the alternatives? Please do not suggest any solutions with libraries like jQuery, mootools, etc.</p>
  
  <pre><code>if (!e) e = window.event;
  
  if (e.preventDefault) { 
      e.preventDefault(); 
  } else {
      e.returnValue = false;
  }
  </code></pre>