Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; SM-T580) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.185 Safari/537.36

Browser: Chrome 86

Operating system: Android 8.1.0

Device Platform: Tablet

Date tested: 3 years ago

Test name	Executions per second
Map lookup	436.4 Ops/sec
Obj lookup	455.7 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: