Doesn't work in IE 8.0.7601.17514 / Win 7 #36
Description
I've just tried your polyfill in the above version and it doesn't work. It fails here: https://github.com/eligrey/classList.js/blob/master/classList.js#L174
Turns out the exception thrown isn't what you were expecting. The exception has no number property. It is a TypeError stating that "getters & setters can not be defined on this javascript engine".
Removing the condition if (ex.number === -0x7FF5EC54) { ... fixes the problem.