1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 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 */ 15 16class Body { 17 constructor(x, y) { 18 this.x = x; 19 this.y = y; 20 } 21} 22 23class Foot extends Body { 24 constructor(x, y, u, v) { 25 super(x, y); 26 this.u = u; 27 this.v = v; 28 } 29} 30 31class Arm extends Body { 32 constructor(x, y, t) { 33 super(x, y); 34 this.t = t; 35 } 36} 37 38function foo(p) 39{ 40 return p.x; 41} 42 43let a = new Body(1, 23); 44let b = new Foot(3, 3.2, 2, 32.3); 45let c = new Arm(1.3, 23.2, 23); 46 47for (let i = 0; i < 1000000; i++) { 48 foo(a); 49 foo(b); 50 foo(c); 51} 52