How to send WooCommerce Checkout Error Messages to Google Analytics as Events

functions.php

function load_ga_error_script() {
  // Load the JS file (jquery is a dependency)
	wp_enqueue_script( 'ga-send-error-event', get_stylesheet_directory_uri() . '/js/ga-send-error-event.js', array('jquery' ) );
}

add_action( 'wp_enqueue_scripts', 'load_ga_error_script' );

ga-send-error-event.js

jQuery(function() {

		jQuery('.woocommerce').on('DOMNodeInserted', function(e) {
			if (jQuery(e.target).is('.woocommerce-error')) {
			// How Many Errors
			var error_count = jQuery('.woocommerce-error li').size();
			// This extracts the contents of the <li></li> tags, separated by commas
			var messages = jQuery(".woocommerce-error li").map(function() { return jQuery(this).text() }).get().join();
      // Send the GA Event
      // Event Category: WooCommerce Error Event Action: checkout-error-notice Event Label: Actual Error Message shown to user
      // Event Value: How many errors were shown to this user
			ga("send", "event", "WooCommerce Error","checkout-error-notice", messages, error_count, {"nonInteraction": 1});
			}
});
});