Example
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','_watchdog');
_watchdog('create', 'UA-xxxxxxx-x', 'auto');
window.onerror = function(msg) {
_watchdog('send', 'exception', { 'exDescription': msg });
_watchdog('send', 'event', {
eventCategory: 'javascript',
eventAction: 'error',
eventLabel: msg,
transport: 'beacon'
});
}
</script>
