Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-map.prototype.set description: > Map.prototype.set returns the given `this` map object. info: | Map.prototype.set ( key , value ) 1. Let M be the this value. ... 5. Repeat for each Record {[[key]], [[value]]} p that is an element of entries, a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then i. Set p.[[value]] to value. ii. Return M. ... ---*/ var map = new Map([['item', 0]]); var map2 = new Map(); var x = map.set('item', 42); assert.sameValue(x, map); x = Map.prototype.set.call(map, 'item', 0); assert.sameValue(x, map); x = map2.set.call(map, 'item', 0); assert.sameValue(x, map, 'Map#set returns the map `this` value');