jQuery Selector How to - Get element index after selecting

Question

We would like to know how to get element index after selecting.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
  src='http://code.jquery.com/jquery-1.7.1.js'></script>
<script type='text/javascript'>
$(function(){<!--   w  ww  . ja  v a2  s. com-->
    var triggers = $('a');
    triggers.on('click', function() {
       var index = triggers.index($(this));
       console.log(index)
    });
});
</script>
</head>
<body>
  <a href="#">0</a>
  <a href="#">1</a>
  <a href="#">2</a>
</body>
</html>

The code above is rendered as follows: