Since it sounded like jQuery was an option for Metro JavaScript apps, I was starting to look forward to Windows 8 dev. I installed Visual Studio 2012 Express RC and started
After the recent //Build/ 2012 conference and this talk talks about using jQuery in Windows 8 Store Apps. Specifically, they talk about the exact exception of script injection inside innerHTML, and talk about the updates done in this.
The company AppendTo also officially unveiled jQuery for Windows 8 during that talk. It looks neat from the demonstration given in the talk in the link about.
They also say that it is not a good idea to get jQuery from CDN for Windows 8 Apps in Local Context!