Doc and the code does not match. 'everyProperty' is the one worked.

I was using ember.js from http://emberjs.com.s3.amazonaws.com/getting-started/ember.js
// Version: v1.0.0-rc.8-36-g3f1ef8f
// Last commit: 3f1ef8f (2013-08-30 09:17:20 -0700)