Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0

Browser: Firefox 65

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Map	12538260.0 Ops/sec
Object	115917144.0 Ops/sec

Script Preparation code:

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

Tests: