Run results for: JavaScript spread operator vs Object.assign performance123dsa

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:98.0) Gecko/20100101 Firefox/98.0

Browser: Firefox 98

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Using the spread operator	18894922.0 Ops/sec
Using set	68232760.0 Ops/sec

Tests:

Using the spread operator
const firstObject = ['Hello world'] const finalObject = [ ...firstObject, 'foo bar', ];
Using set
const firstObject = ['Hello world'] firstObject.push('foo bar')