kriskowal/es5-shim — pull request #117 by rosenfeld (2012-06-29 12:01:38+00:00)
Title: Fixes #116: make it IE7 compatibility

Could you please consider this approach for #116?

It is not possible to fully support defineProperty on IE7.

There are some libraries, like Serenade.js that will check for
defineProperty/ies to add some optional features. es5-shim
will mess with such libraries and will throw exceptions on IE7.