Run results for: Object.assign vs destructuring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0

Browser: Chrome 139

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Destructuring

67.7M/s

Object.assign

31.2M/s

View exact numbers

Test name	Executions per second
✓ Destructuring	67,736,560 Ops/sec
Object.assign	31,198,400 Ops/sec

Script Preparation code:

const obj = { one: 'one' }

Tests:

Object.assign
const res = Object.assign({}, { toString: function() { return this.one; }});
Destructuring
const res = {...obj, toString: function() { return this.one; }};