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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

.push()

13.5M/s

.unshift()

22K/s

View exact numbers

Test name	Executions per second
✓ .push()	13,462,915 Ops/sec
.unshift()	22,117 Ops/sec

Script Preparation code:

var arr = []

Tests: