Send form via ajax with attachments

formDataWithFiles.jquery.js

$(document).on('submit', 'form.myFormWithFiles', function (event) {
		event.preventDefault();
		event.stopImmediatePropagation();
		var $this = $(this);
		var formData = new FormData($($this)[0]);

		$.ajax({
			type: $this.attr('method'),
			url: $this.attr('action'),
			data: formData,
			processData: false,
			contentType: false,
			dataType: "html",
			success: function (response) {
        //any success behavior - update popup, etc
				$this.get(0).reset();
				var response = response;
				$("#response").remove();
				$('body').append('<div id="response" style="display:none">');
				$("#response").html(response);
				$("#response").show();
			}
		});
		return false;	
	});