Run results for: Map.get vs Object property access

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Object

158.9M/s

Map

153.3M/s

View exact numbers

Test name	Executions per second
✓ Object	158,878,976 Ops/sec
Map	153,306,752 Ops/sec

Script Preparation code:

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

Tests: