1964js Git (2018/06/02) 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:
* Optimize opcode map for compiler

Try Online: 1964js Git (2018/06/02)
Source: Here