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

Map.get

843.9M/s

array[0]

842.9M/s

object[symbol]

840.8M/s

object.a

820.3M/s

WeakMap.get

163.7M/s

View exact numbers

Script Preparation code:

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

Tests: