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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 OPR/100.0.0.0 (Edition beta)

Browser: Opera 100

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.create(null)	400.2 Ops/sec
object literal	5267.4 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 ) }

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

compare performance of object creating non-empty objects using object literal vs Object.create

Object.create(null)

object literal