Run results for: Map has vs Object hasOwnProperty

Run details:

User agent: Mozilla/5.0 (Android 11; Mobile; rv:129.0) Gecko/129.0 Firefox/129.0

Browser: Firefox Mobile 129

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Map lookup

169/s

Obj lookup

145/s

View exact numbers

Test name	Executions per second
✓ Map lookup	169 Ops/sec
Obj lookup	145 Ops/sec

Script Preparation code:

var map = new Map();
var obj = {};

map.set('a', 5);
obj['a'] = 5;

var i = 0, count = 100000;

Tests: