Run results for: map over Object (or Record in TS) vs Map

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 YaBrowser/23.3.2.420.10 SA/3 Mobile/15E148 Safari/604.1

Browser: Yandex Browser 23

Operating system: iOS 15.7

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Obj / Object.entries()	236.0 Ops/sec
Map / spread	654.1 Ops/sec
Map / Array.from()	656.7 Ops/sec

Tests:

Obj / Object.entries()
let obj = {}; for (let i = 0; i < 10000; i++) { obj[i] = i; } let tuples = Object.entries(obj).map(([k, v]) => [k, v]);
Map / spread
let map = new Map(); for (let i = 0; i < 10000; i++) { map.set(i, i); } let tuples = [...map].map(([k, v]) => [k, v]);
Map / Array.from()
let map = new Map(); for (let i = 0; i < 10000; i++) { map.set(i, i); } let tuples = Array.from(map).map(([k, v]) => [k, v]);

Run results for: map over Object (or Record in TS) vs Map

Obj / Object.entries()

Map / spread

Map / Array.from()