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

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()

11.3M/s

.unshift()

39K/s

View exact numbers

Test name	Executions per second
✓ .push()	11,287,872 Ops/sec
.unshift()	39,232 Ops/sec

Script Preparation code:

var arr = Array.from(Array(10000), (val, index) => index);

Tests: