remove row from table with XMLHttpRequest()

$(document).ready(function(){

 // Delete 
 $('.delete').click(function(){
   var el = this;
   var id = this.id;
   var splitid = id.split("_");

   // Delete id
   var deleteid = splitid[1];
 
   // AJAX Request
   $.ajax({
     url: 'remove.php',
     type: 'POST',
     data: { id:deleteid },
     success: function(response){

       if(response == 1){
	 // Remove row from HTML Table
	 $(el).closest('tr').css('background','tomato');
	 $(el).closest('tr').fadeOut(800,function(){
	    $(this).remove();
	 });
      }else{
	 alert('Invalid ID.');
      }

    }
   });

 });

});