Run results for: Object access by key vs Map.get

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36 Edg/80.0.361.66

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Object access	10659867.0 Ops/sec
Map.get	8829178.0 Ops/sec

Script Preparation code:

var map = new Map();
map.set("foo", "bar");

var obj = { foo: "bar" };

Tests: