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 15class Animal {} 16class Dog extends Animal { 17 static explain () { 18 super.f = 8 19 } 20} 21 22assert (Dog.f === undefined); 23assert (Animal.f === undefined); 24 25Dog.explain () 26 27assert (Animal.f === undefined); 28assert (Dog.f === 8); 29