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

Run details:

User agent: Mozilla/5.0 (Android 15; Mobile; rv:137.0) Gecko/137.0 Firefox/137.0

Browser: Firefox Mobile 137

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

.push()

19.5M/s

.unshift()

746K/s

View exact numbers

Test name	Executions per second
✓ .push()	19,534,420 Ops/sec
.unshift()	746,012 Ops/sec

Script Preparation code:

var arr = []

Tests: