title: multiple class events together , how to get the current class name
body: <p>I have multiple class events bind together for a click event , </p>
  
  <p>i  want to know which class is clicked , how can i get current user selected class </p>
  
  <pre><code>$('.class2 , .class3 , .class3').bind('click', function () {
      location.href = "test.htm";
  });
  </code></pre>