Run results for: JavaScript spread operator vs Object.assign performance - Kien Nguyen

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Using the spread operator

1.5M/s

Using Object.assign

1.4M/s

View exact numbers

Test name	Executions per second
✓ Using the spread operator	1,521,613 Ops/sec
Using Object.assign	1,436,182 Ops/sec

Tests: