ASP.NET MVC - How to prevent double click submit with jquery.validate.unobtrusive lib?

Question

I need to avoid the double click submitting behavior. I\'m using the client validation with the unobtrusive library. I have the following code for avoiding the double clic:<

Answer 1

 $('form').submit(function () {
 $('input[type="submit"]', this).attr('disabled', 'disabled');
   });