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.get description: > Returns undefined when key is not on the map. info: | Map.prototype.get ( key ) 4. Let entries be the List that is the value of M’s [[MapData]] internal slot. 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, return p.[[value]]. 6. Return undefined. ... ---*/ var map = new Map(); assert.sameValue( map.get('item'), undefined, 'returns undefined if key is not on the map' ); map.set('item', 1); map.set('another_item', 2); map.delete('item'); assert.sameValue( map.get('item'), undefined, 'returns undefined if key was deleted' ); map.set('item', 1); map.clear(); assert.sameValue( map.get('item'), undefined, 'returns undefined after map is cleared' );