angular/angular.js — pull request #8898 by jbedard (2014-09-03 06:48:19+00:00)
Title: perf(extend): remove use of forEach to remove calls/closures/passing arguments

I found this made `$parse` almost 50% faster when not cached, I assume other cases will also benefit. This also removes the "bad value context for arguments value" warning in the chrome profiler.