​x
 
<html>
<head>
<script type="text/javascript">
function showTabIndex()
  {
  var email=document.getElementById('email').tabIndex;
  var r1=document.getElementById('submit1').tabIndex;
  document.write("Tab index of email: " + email);
  document.write("<br />");
  document.write("Tab index of submit button: " + r1);
  }
</script>
</head>
<body>
​
<form>
Email: <input type="text" id="email" tabindex="1" size="25" value="someone@example.com" />
<br />
<input type="submit" id="submit1" tabindex="2" />
<br /><br />
<input type="button" onclick="showTabIndex()" value="Show tabIndex" />
</form>
​
</body>
</html>
​