Make JavaScript Great Again

Object.defineProperty(Number.prototype,Symbol.iterator,{ *value({ start = 0, step = 1 } = {}) { var inc = this > 0 ? step : -step; for (let i = start; Math.abs(i) <= Math.abs(this); i += inc) { yield i; } }, enumerable: false, writable: true, configurable: true });

[ ...8 ]; // [0,1,2,3,4,5,6,7,8] [ ...5[Symbol.iterator]({ start: 3 }) ]; // [3,4,5] [ ...10[Symbol.iterator]({ start: 2, step: 4 }) ]; // [2,6,10]

[ ...-3 ]; // [0,-1,-2,-3] [ ...(-3)[Symbol.iterator]({ start: 3, step: 2 }) ]; // [3,1,-1,-3]