Run results for: Array .push() vs .unshift()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

.push()

17.1M/s

.unshift()

26K/s

View exact numbers

Test name	Executions per second
✓ .push()	17,071,016 Ops/sec
.unshift()	25,711 Ops/sec

Script Preparation code:

var arr = []

Tests: