Run results for: JavaScript spread operator vs Object.assign performance v3

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 139

Operating system: Android

Device Platform: Mobile

Date tested: 11 months ago

Using the spread operator

24.9M/s

Using Object.assign

9.2M/s

View exact numbers

Test name	Executions per second
✓ Using the spread operator	24,938,778 Ops/sec
Using Object.assign	9,212,182 Ops/sec

Tests:

Using the spread operator
const secondObject = {sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = { ...secondObject };
Using Object.assign
const secondObject = {sampleData: 'Hello world', moreData: 'foo bar' } const finalObject = Object.assign({}, secondObject);