Run results for: Number keyed maps

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.2.2

Device Platform: Desktop

Date tested: 3 years ago

Tests:

sparse array, int keys
const a = []; for (let i = 0; i < 100; i++) a[Math.random() * 10000 | 0] = 1; let size = 0; for (const item of a) size++;
object, int keys
const o = {}; for (let i = 0; i < 100; i++) o[Math.random() * 10000 | 0] = 1; let size = 0; for (const item in o) size++;
Map, int keys
const m = new Map(); for (let i = 0; i < 100; i++) m.set(Math.random() * 10000 | 0, 1); let size = 0; for (const item of m.entries()) size++;
sparse array, float keys
const a = []; for (let i = 0; i < 100; i++) a[Math.random() * 10000] = 1; let size = 0; for (const item of a) size++;
object, float keys
const o = {}; for (let i = 0; i < 100; i++) o[Math.random() * 10000] = 1; let size = 0; for (const item in o) size++;
Map, float keys
const m = new Map(); for (let i = 0; i < 100; i++) m.set(Math.random() * 10000, 1); let size = 0; for (const item of m.entries()) size++;