recursive JSON.stringify implementation

Question

I am trying to learn recursion in Javascript, so I figured I\'d rewrite the native JSON.stringify function using recursion as a challenge to myself. I almost got my

Answer 1

This has been answered several times but here is yet another solution:

Using es6:

let oldStringify = JSON.stringify;
JSON.stringify = (obj, replacer, space) => oldStringify(obj, replacer || ((key, value) => {if(key && value === obj) return "[recursive]"; return value;}), space)