FormKeep + AJAX Submission + Success Message + URL Location

FormKeep+AJAX.html

<form method="POST" class="ajax">
        <input type="text" name ="URL Location" id="urlLoc" style="display:none">
	<input type="text" name="name" placeholder="Your Name" required>
	<input type="email" name="email" placeholder="Your Email" required>
	<input type="submit" value="Submit">
        <div class="alert-success"></div>
</form>

FormKeep+AJAX.js

var elem = document.getElementById("urlLoc");
elem.value = window.location.href;
var form = $("form.ajax");
form.submit(function(e) {
	e.preventDefault();
		var formkeepID = "00000000000"; //Insert FormKeep form ID
		var successMsg = "Thank you! We'll get back to you shortly.";
	$.ajax({
		type: 'POST',
		url: 'https://formkeep.com/f/' + formkeepID,
		data: $(this).serialize(),
		success: function() {
			form.find("input, button, textarea").prop('disabled', true).css({"opacity": 0.5});
			form.find(".alert-success").text(successMsg).fadeIn(500);
		},
		error: function() {
			alert('Error!');
		}
	});
});