visionmedia/mocha — pull request #636 by Krinkle (2012-11-02 05:07:40+00:00)
Title: HTMLReporter: Fix "Property 'appendChild' of undefined".

IE9 throws the following error on the large.js test:

> (mocha.js:2072) Unable to get value of the property 'appendChild': object is null or undefined.

Which is caused by the stack.shift() call earlier.