Run results for: Object literal vs Object.create(null)

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; KSA-LX9) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 109

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

object literal

871/s

Object.create(null)

61/s

View exact numbers

Test name	Executions per second
✓ object literal	871 Ops/sec
Object.create(null)	61 Ops/sec

Tests:

Object.create(null)
const a = []; for (let i = 0; i < 10000; i++) { const o = Object.create(null) o.x = 'a string' o.y = 17 o.z = { m: 'an object', n: 97 } a.push( o ) }
object literal
const a = []; for (let i = 0; i < 10000; i++) { const o = { x: 'a string' } o.y = 17 o.z = { m: 'an object', n: 97 } a.push( o ) }