Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Obj lookup

29K/s

Map lookup

23K/s

View exact numbers

Test name	Executions per second
✓ Obj lookup	29,237 Ops/sec
Map lookup	22,724 Ops/sec

Script Preparation code:

var map = new Map();
var obj = {};

map.set('a', 5);
obj['a'] = 5;

var i = 0, count = 1000, a;

Tests: