Is it possible to define an infix function?

Question

Is it possible to define my own infix function/operator in CoffeeScript (or in pure JavaScript)? e.g. I want to call

a foo b

or

Answer 1

You can with sweet.js. See:

1. http://sweetjs.org/doc/main/sweet.html#infix-macros
2. http://sweetjs.org/doc/main/sweet.html#custom-operators

Sweet.js extends Javascript with macros.

It acts like a preprocessor.