Run results for: Map.get vs Object property access

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Map

152.9M/s

Object

151.5M/s

View exact numbers

Test name	Executions per second
✓ Map	152,891,616 Ops/sec
Object	151,495,008 Ops/sec

Script Preparation code:

obj = {foo: 'bar'}
map = new Map(Object.entries(obj))

Tests: