Подскажите, пожалуйста, смысл этого кода? Както странно код аналитики написан.. какаято манипуляция?
var mi_track_user = true;
var mi_no_track_reason = '';
var disableStr = 'ga-disable-UA-97048363-3';
/* Function to detect opted out users */
function __gaTrackerIsOptedOut() {
return document.cookie.indexOf(disableStr + '=true') > -1;
}
/* Disable tracking if the opt-out cookie exists. */
if ( __gaTrackerIsOptedOut() ) {
window[disableStr] = true;
}
/* Opt-out function */
function __gaTrackerOptout() {
document.cookie = disableStr + '=true; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
window[disableStr] = true;
}
if ( mi_track_user ) {
(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','__gaTracker');
__gaTracker('create', 'UA-97048363-3', 'auto');
__gaTracker('set', 'forceSSL', true);
__gaTracker('require', 'linkid', 'linkid.js');
__gaTracker('send','pageview');
} else {
console.log( "" );
(function() {
/* https://developers.google.com/analytics/devguides/collection/analyticsjs/ */
var noopfn = function() {
return null;
};
var noopnullfn = function() {
return null;
};
var Tracker = function() {
return null;
};
var p = Tracker.prototype;
p.get = noopfn;
p.set = noopfn;
p.send = noopfn;
var __gaTracker = function() {
var len = arguments.length;
if ( len === 0 ) {
return;
}
var f = arguments[len-1];
if ( typeof f !== 'object' || f === null || typeof f.hitCallback !== 'function' ) {
console.log( 'Not running function __gaTracker(' + arguments[0] + " ....) because you are not being tracked. " + mi_no_track_reason );
return;
}
try {
f.hitCallback();
} catch (ex) {
}
};
__gaTracker.create = function() {
return new Tracker();
};
__gaTracker.getByName = noopnullfn;
__gaTracker.getAll = function() {
return [];
};
__gaTracker.remove = noopfn;
window['__gaTracker'] = __gaTracker;
})();