Track and warn only if use has any changes on the form before user navigates away.
Download the production version or the development version.
In your web page:
<script src="jquery.js"></script>
<script src="dist/jquery-track.min.js"></script>
<script>
jQuery(function($) {
$.awesome(); // "awesome"
});
</script>
(Coming soon)
(Coming soon)
(Nothing yet)