1964js Git (2016/09/07) is released. 1964js is the first N64 emulator written in JavaScript (CoffeeScript to JS). It is loosely a port of our N64 emulator for Windows called 1964. 1964 was written in C and C++.

1964js Git Changelog:
* Fix file format
* Renderer file format
* Updated closure compiler; memory cleanup

Try Online: 1964js Git (2016/09/07)
Source: Here