session.js用户会话信息获取

Session.js - Get user session information

示例代码：

<script type='text/javascript'>
  window.session = {
  options: { gapi_location: true },
  start: function(session){ // can also use window.session global.
    if (session.first_session.visits > 1){
      alert('Hi again from ' + session.location.address.city);
    } else {
      if (session.current_session.referrer_info.host.contains('facebook')){
        alert('Hi there from '+ session.location.address.city +'. How about liking us on facebook?');
      } else if (session.current_session.search.engine){
        alert('Did you find what you were looking for from ' + session.current_session.search.engine + '?');
      }
    }
  }
}
</script>
<script type='text/javascript' src="http://codejoust.github.com/session.js/session-0.4.js"></script>