<script type="text/javascript">$(function(){   $("#btnDelete").click(function(){  //var user8ID = $.trim( $('#user8ID').val() );  var statu = confirm("Are you sure to delete the current data?");  if(!statu){   return false;  } var operation = '8IDdelete';  $.ajax({    type:'POST',    url:'backendUserModuleMapping.php?stamp='+new Date().getTime(),    data:'operation='+operation+'&'+$("form").eq(1).serialize(),    success:function(msg){      if(msg == 1){       alert( 'Delete Successful!' );       location.reload();      }else{       alert( 'Delete Failed!' );      }          },    error:function(){      alert( 'Delete Failed!' );    }       });   });  });</script>