// Copyright 2023 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. const firstSet = new Set(); firstSet.add(42); const otherSet = new Set(); const resultSet = new Set(); resultSet.add(42); const resultArray = Array.from(resultSet); const differenceArray = Array.from(firstSet.difference(otherSet)); assertEquals(resultArray, differenceArray);