Run results for: Compare Nulling, undefining and deleting of Javascript Object vs Map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36 Edg/95.0.1020.30

Browser: Chrome 95

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Tests:

null Object
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; a.a = null; a.b = null;
undefined Object
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; a.a = undefined; a.b = undefined;
delete object
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; delete a.a; delete a.b;
null map
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; map1.set('a', null); map1.set('b', null);
undefined map
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; map1.set('a', undefined); map1.set('b', undefined);
delete map
const map1 = new Map() map1.set('a', 999); map1.set('b', 3000); const a = { } a.a= 999; a.b= 3000; map1.delete('a'); map1.delete('b');