Function.prototype.bind = {
	bind(thisArg, ...argArray){
		let t = this,
		a = arguments;
		if (typeof t !== "function"){
			throw TypeError("Bind must be called on a function");
		}
		let b = function(){
			var a = arguments;
			if (this instanceof a.callee){
				return new t(...[...argArray, ...a]);
			}
			return t.apply(thisArg, [...argArray, ...a]);
		}
		return b.toString = function(){
			return t.toString();
		}, b;
	}
}.bind;