Run results for: Map vs Objects

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Map lookup	2250.0 Ops/sec
Obj lookup	2258.6 Ops/sec

Script Preparation code:

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

Tests: