Run results for: Reflect.set vs Object.assign vs Direct assignment

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; PCT-AL10 Build/HUAWEIPCT-AL10; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36;58meishi(Version/5.12.0 Build/2022050613)

Browser: Chrome Mobile 83

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Reflect.set	1774.6 Ops/sec
Object.assign	177.7 Ops/sec
Direct assignment	33091.6 Ops/sec

Script Preparation code:

var numbers = Array(1000).fill(null).map((x, i) => i.toString());

Tests:

Reflect.set
numbers.reduce((acc, n) => Reflect.set(acc, n, n) && acc, {});
Object.assign
numbers.reduce((acc, n) => Object.assign(acc, { [n]: n }), {});
Direct assignment
numbers.reduce((acc, n) => { acc[n] = n; return acc }, {});