Run results for: find vs dict vs arr

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0

Browser: Firefox 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Find	665172.6 Ops/sec
Array	1089644288.0 Ops/sec
Dictionary	1109653504.0 Ops/sec

Script Preparation code:

var arr = [];
var dict = {};

for (let i = 0; i < 100; i++) {
    arr.push({ id: i, char: 'foo' + i });
    dict[i] = { id: i, char: 'foo' + i };
}

Tests:

Find
var v1 = arr.find(x => x.id === 5); var v2 = arr.find(x => x.id === 54); var v3 = arr.find(x => x.id === 89);
Array
var v1 = arr[5]; var v2 = arr[54]; var v3 = arr[89];
Dictionary
var v1 = dict[5]; var v2 = dict[54]; var v3 = dict[89];

Run results for: find vs dict vs arr

Find

Array

Dictionary