Run results for: Map vs Object vs Array @adelinolsn Create v3

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0

Browser: Firefox 127

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Object create

1/s

Map create

0/s

View exact numbers

Test name	Executions per second
✓ Object create	1 Ops/sec
Map create	0 Ops/sec

Script Preparation code:

var quantityOfElements = 100000000;
var array = new Array(quantityOfElements);
var quantityOfTests = 10000;

for (let i = 0; i < quantityOfElements; i++) {
    array[i] = {
        id: i
    };
}

Tests:

Map create
let map = new Map(); for (let i = 0; i < quantityOfElements; i++) { map.set(array[i].id, array[i]); }
Object create
let obj = {}; for (let i = 0; i < quantityOfElements; i++) { obj[array[i].id] = array[i]; }