'use strict'; var $ = require('../internals/export'); var difference = require('../internals/set-difference'); var setMethodAcceptSetLike = require('../internals/set-method-accept-set-like'); // `Set.prototype.difference` method // https://github.com/tc39/proposal-set-methods $({ target: 'Set', proto: true, real: true, forced: !setMethodAcceptSetLike('difference') }, { difference: difference });