/* Copyright JS Foundation and other contributors, http://js.foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var y = 0 var prot = Object.getPrototypeOf(/ /) prot.setY = function (v) { y = v } assert(y === 0) // Since arrow function is an assignment expression, this affects certain constructs var f = x => {} / /.setY(5) assert(y === 5) var s // This is not a function call assert(eval("s = x => { return 1 }\n(3)") === 3) assert(typeof s === "function") // This is a function call assert(eval("s = function () { return 1 }\n(3)") === 1) assert(s === 1) var f = 5 ? x => 1 : x => 2 assert(f() === 1) var f = [x => 2][0] assert(f() === 2) var f = 123; f += x => y assert(typeof f === "string") // Comma operator assert(eval("x => {}, 5") === 5)