Run results for: Obj vs Map_111

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36

Browser: Chrome 85

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Obj	712.0 Ops/sec
Map	1945.0 Ops/sec

Tests:

Obj
const size = 10000 let map = new Map() let obj = {} let data = new Array(size).fill((Math.random() +1) * size) data.forEach((number) => { if(obj[number]) obj[number]+=1 else obj[number] = 1 })
Map
const size = 10000 let map = new Map() let obj = {} let data = new Array(size).fill((Math.random() +1) * size) data.forEach((number) => { if(map.get(number)) map.set(number, map.get(number)+1) else map.set(number, 1) })