Run results for: Map vs Object, numeric key

Run details:

User agent: Mozilla/5.0 (Android 6.0.1; Mobile; rv:85.0) Gecko/85.0 Firefox/85.0

Browser: Firefox Mobile 85

Operating system: Android 6.0.1

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Map lookup	3336.8 Ops/sec
Obj lookup	2450.5 Ops/sec

Script Preparation code:

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

Tests: