# 基本知识

https://developers.google.com/analytics/devguides/collection/analyticsjs/

# js代码

<!-- Google Analytics -->
<script>
//download and create ga
(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','ga');

//create a new tracker
ga('create', 'UA-XXXXX-Y', 'auto');
  
//sent page data to google analytics server  
ga('send', 'pageview');
</script>
<!-- End Google Analytics -->

# Tracker

• create tracker

  ga('create', 'UA-XXXXX-Y', 'auto', 'myTracker');
  

• get tracker info

  ga(function(tracker) {
    // Logs the tracker created above to the console.
    console.log(tracker);
    console.log(ga.getByName('myTracker'));
    console.log(ga.getAll());
  });
  

# Send Data

ga('[trackerName.]send', 'hit type');

• 类型： pageview，screenview、event、transaction、item、social、exception 和 timing

# User Interactive

# Event

ga('send', 'event', [eventCategory], [eventAction], [eventLabel], [eventValue], [fieldsObject]);