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` object. 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(); var result = map.set(1, 1); assert.sameValue(result, map); result = map.set(1,1).set(2,2).set(3,3); assert.sameValue(result, map, 'Map.prototype.set is chainable'); var map2 = new Map(); result = map2.set.call(map, 4, 4); assert.sameValue(result, map);