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: > Appends new value in the map normalizing +0 and -0. info: | Map.prototype.set ( key , value ) ... 6. If key is −0, let key be +0. 7. Let p be the Record {[[key]]: key, [[value]]: value}. 8. Append p as the last element of entries. 9. Return M. ... ---*/ var map = new Map(); map.set(-0, 42); assert.sameValue(map.get(0), 42); map = new Map(); map.set(+0, 43); assert.sameValue(map.get(0), 43);