Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/138.0 Firefox/138.0

Browser: Firefox Mobile 138

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Map lookup

308K/s

Obj lookup

306K/s

View exact numbers

Test name	Executions per second
✓ Map lookup	308,475 Ops/sec
Obj lookup	305,546 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: