Run results for: Map vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Object

987.8M/s

Map

954.7M/s

View exact numbers

Test name	Executions per second
✓ Object	987,751,104 Ops/sec
Map	954,740,224 Ops/sec

Script Preparation code:

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

Tests: