form submit ajax no reload

form_submit_no_reload.js

$('#reg-form').submit(function(e){
	e.preventDefault(); // Prevent Default Submission
			$('form :submit').prop('disabled', true); // disable submit button
	$.ajax({
	// ajax source
	})
	.done(function(data){
			$('form :submit').prop('disabled', false); // enable submit button
	})
	.fail(function(){
		alert('Ajax Submit Failed ...'); 
	});
});