Run results for: Get from object vs get from map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Linux

Device Platform: Desktop

Date tested: 9 months ago

Object

22K/s

Map

4K/s

View exact numbers

Test name	Executions per second
✓ Object	22,262 Ops/sec
Map	4,229 Ops/sec

Tests:

Object
let obj = {}; for (let i = 0; i < 10000; i++) { obj[i] = i; } let out = new Array(100); for (let t = 0; t < 100; t++) { const idx = Math.floor(Math.random() * 10000); out[t] = obj[idx] }
Map
let map = new Map(); for (let i = 0; i < 10000; i++) { map.set(i, i); } let out = new Array(100); for (let t = 0; t < 100; t++) { const idx = Math.floor(Math.random() * 10000); out[t] = map.get(idx) }