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: > Replaces a value in the map normalizing +0 and -0. info: | Map.prototype.set ( key , 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([[+0, 1]]); map.set(-0, 42); assert.sameValue(map.get(+0), 42, 'zero key is normalized in SameValueZero'); map = new Map([[-0, 1]]); map.set(+0, 42); assert.sameValue(map.get(-0), 42, 'zero key is normalized in SameValueZero');