SteveSanderson/knockout — pull request #245 by mbest (2011-12-23 00:31:51+00:00)
Title: cache the data-bind attributes

Especially when something like 'foreach' is used, there will multiple instances of the same data-bind string, with just the context being different. Since each data-bind string results in the same compiled JavaScript code, it can be cached and used for subsequent bindings.