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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 months ago

Using the spread operator

92.5M/s

Using Object.assign

38.3M/s

View exact numbers

Test name	Executions per second
✓ Using the spread operator	92,527,152 Ops/sec
Using Object.assign	38,335,196 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);