'use strict'; var $ = require('../internals/export'); var difference = require('../internals/set-difference'); var setMethodAcceptSetLike = require('../internals/set-method-accept-set-like'); var INCORRECT = !setMethodAcceptSetLike('difference', function (result) { return result.size === 0; }); // `Set.prototype.difference` method // https://tc39.es/ecma262/#sec-set.prototype.difference $({ target: 'Set', proto: true, real: true, forced: INCORRECT }, { difference: difference });