track-form-abandonment-in-universal-analytics.js

if (typeof jQuery != 'undefined') {
  jQuery(document).ready(function($) {
    $('form input').blur(function( e ){
      var me = $(this), form = me.parents('form');
      ga('send', 'event', (me.attr('name') || me.attr('id')), (me.val().length > 0 ? 'filled' : 'empty'), $(this).attr('name')]));
    });
  }
}