Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 14_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/91.0.4472.80 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 91

Operating system: iOS 14.5

Device Platform: Tablet

Date tested: 3 years ago

Test name	Executions per second
Map lookup	2904.2 Ops/sec
Obj lookup	2951.1 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: