Run results for: Array vs Map vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Browser: Chrome 75

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Object	10503211.0 Ops/sec
Array	5253709.0 Ops/sec
Map	10308410.0 Ops/sec

Script Preparation code:

var object = {
  "tags": {
    "required": true,
    "allow_variations": true
  }
}

var array = {
  "tags": ["required", "allow_variations"]
}

var map = {
  "tags": new Map().set('required', true).set('allow_variations', true)
}

Tests:

Object
object.tags.allow_variations
Array
array.tags[array.tags.indexOf('allow_variations')]
Map
map.tags.get('allow_variations')