tmpvar/jsdom — pull request #366 by brianmcd (2011-11-17 17:19:32+00:00)
Title: CSSOM constructor should be available on the DOM

Here's a test and fix for this issue. level2/style.js clones the level2 core instance and then adds CSSOM constructors to it, which means these constructors aren't available on the actual level2 core instance.