1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15var object = { 16 prop1: Number, 17 prop2: String, 18 prop3: true, 19 prop4: 0 20} 21 22var keys = Object.keys(object); 23 24assert(keys[0] == "prop1" && 25 keys[1] == "prop2" && 26 keys[2] == "prop3" && 27 keys[3] == "prop4"); 28