是否有任何通常被认为值得信赖的SHA-256 javascript实现？

I am writing a login for a forum, and need to hash the password client side in javascript before sending it on to the server. I'm having trouble figuring out which SHA-256 implementation I can actually trust. I was expecting there to be some kind of authoritative script that everyone used, but I'm finding loads of different projects all with their own implementations.I am writing a login for a forum, and need to h