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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

.push()

16.5M/s

.unshift()

9K/s

View exact numbers

Test name	Executions per second
✓ .push()	16,548,820 Ops/sec
.unshift()	8,693 Ops/sec

Script Preparation code:

var arr = []

Tests: