function doesForEachActuallyWork() {
	var ret = false;

	(new Set([true])).forEach(function (el) {
		ret = el;
	});

	return ret === true;
}
function doesForEachActuallyWork() {
	var ret = false;

	(new Set([true])).forEach(function (el) {
		ret = el;
	});

	return ret === true;
}
function doesForEachActuallyWork ( ) { var ret = false ; ( new Set ( [ true ] ) ) . forEach ( function ( el ) { ret = el ; } ) ; return ret === true ; }
V8 currently has a broken implementation https://github.com/joyent/node/issues/8449
V8 currently has a broken implementation https : // github . com / joyent / node / issues / 8449