Google Analytics event tracking using 'data-track-event' attribute on links

ga-event-track.js

/* Google Analytics event tracking using data attribute */
var analyticsTrackEvent = function() {
  $('[data-track-event]').on('click', function () {
		var trackEventData = $(this).data('track-event') || '';
		if ( trackEventData.length ) {
			var eventArray = trackEventData.split(',');
			// Make sure there are at least 2 values
			if ( eventArray.length >= 2 ) {
				// Split up the track event data into GA variables
				var trackCategory = eventArray[0], // Required (String)
					trackAction = eventArray[1], // Required (String)
					trackLabel = eventArray[2], // Optional (String)
					trackValue = eventArray[3]; // Optional (Number)
				// Send event data to GA
				ga('send', 'event', trackCategory, trackAction, trackLabel, trackValue);
				console.log(trackCategory, trackAction, trackLabel, trackValue);
			}
		}
	});
};