Run results for: Object.assign vs destructuring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Destructuring

36.9M/s

Object.assign

19.3M/s

View exact numbers

Test name	Executions per second
✓ Destructuring	36,909,244 Ops/sec
Object.assign	19,311,560 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; }};