how to get the id of the div clicked

how to get the id of the div clicked

  1. $(document).ready(function(){
  2. $(".button").click(function () {
  3. $.ajax({
  4. var turl= "" + this.id + '.html';
  5.   url: turl,
  6.   success: function(data) {
  7.     $('#content').html(data);
  8.     alert('Load was performed.');
  9.   }
  10. });
  11. });
  12. }); 
This doesn't work. How to get the id of the .button where .button is <div>.
Thank you.