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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Object.create(null)	1484.8 Ops/sec
object literal	7658.4 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 ) }