//Track Outbound Link Clicks
(function trackOutbounds() {
var hitCallbackHandler = function(url,win) {
if (win) {
window.open(url, win);
} else {
window.location.href = url;
}
};
var addEvent = function(el, eventName, handler) {
if (el.addEventListener) {
el.addEventListener(eventName, handler);
} else {
el.attachEvent('on' + eventName, function(){
handler.call(el);
});
}
}
if (document.getElementsByTagName) {
var el = document.getElementsByTagName('a');
var getDomain = document.domain.split('.').reverse()[1] + '.' + document.domain.split('.').reverse()[0];
// Look thru each a element
for (var i=0; i < el.length;i++) {
// Extract it's href attribute
var href = (typeof(el[i].getAttribute('href')) == 'string' ) ? el[i].getAttribute('href') : '';
// Query the href for the top level domain (xxxxx.com)
var myDomain = href.match(getDomain);
// If link is outbound and is not to this domain
if ((href.match(/^(https?:|\/\/)/i) && !myDomain) || href.match(/^mailto\:/i)) {
// Add an event to click
addEvent(el[i],'click', function(e) {
var url = this.getAttribute('href'), win = (typeof(this.getAttribute('target')) == 'string') ? this.getAttribute('target') : '';
console.log ("add event", url);
// Log even to Analytics, once done, go to the link
ga('send', 'event', 'outbound', 'click', url,
{'hitCallback': hitCallbackHandler(url,win)},
{'nonInteraction': 1}
);
e.preventDefault();
});
}
}
}
})();
