jquery - AJAX getting onChange to work -

i have set form user can comment entering name, email , comment.

i want run validation on input once user leaves #name field, can't work please help.

$(document).ready(function() {  $('#name').on("change", function () {      var name = $('input[name=name]');      if (name.val()=='') { //a regex check added later on check invalid caracters         name.addclass('hightlight');         $('#name_error').show();         var error = true;     } else {         name.removeclass('hightlight');         $('#name_error').hide();     }      if ($(error).length) {         return false;     } }); }); 

if want trigger on leave can use:

$('#name').blur(function() { //your code  } 

refer here: http://api.jquery.com/blur/

if want trigger on change than:

$('#name').change(function() { //your code  } 

refer here:http://api.jquery.com/change/