Seems completely broken in Firefox (v 25.0 beta). The only thing that happens in the jsFiddle example is that it changes the number, and the github page looks l

Seems completely broken in Firefox (v 25.0 beta). The only thing that happens in the jsFiddle example is that it changes the number, and the github page looks like a web page from in 1994. Switched to Chrome and all is pretty.