switch from getter to attribute-lookup
switch from getter to attribute-lookup

attribute-lookups are faster than getters. We use attribute-lookups when
possible everywhere in the code. This is a rare exception, presumably an
accidental oversight.

starwed/Crafty,craftyjs/Crafty,craftyjs/Crafty,maciekwie/Crafty,maciekwie/Crafty,mucaho/Crafty,starwed/Crafty,starwed/Crafty,mucaho/Crafty,mucaho/Crafty,maciekwie/Crafty,craftyjs/Crafty