Run results for: Array vs Object vs Map vs WeakMap access (3)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0

Browser: Firefox 121

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

array[0]

879.2M/s

object.a

878.9M/s

Map.get

871.3M/s

object[symbol]

851.0M/s

WeakMap.get

161.2M/s

View exact numbers

Script Preparation code:

var map = new Map();
var weakMap = new WeakMap()
var array = [];
var object = {};
var symbol = Symbol('next');

Tests: