Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Map lookup	4689.1 Ops/sec
Obj lookup	4744.1 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: