Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36

Browser: Chrome 72

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Map	4788293.0 Ops/sec
Object	4758497.5 Ops/sec

Script Preparation code:

var map = new Map();
map.set("att", "value");

var object = {
  att: "value"
}

Tests: