What is “var _gaq = _gaq || []; ” for?

Question

The Async Tracking code in Google Analytics looks like this:

var _gaq = _gaq || []; 
_gaq.push([\'_setAccount\', \'UA-XXXXX-X\']); 
_gaq.push([\'_trackPagev         


        

Answer 1

Yes, it does exactly what you think it does :) It is a shorthand for

if(!_gaq){ var _gaq = [] }