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/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

.push()

12.1M/s

.unshift()

17K/s

View exact numbers

Test name	Executions per second
✓ .push()	12,124,602 Ops/sec
.unshift()	17,493 Ops/sec

Script Preparation code:

var arr = []

Tests: