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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

.unshift()

1.5M/s

.push()

206K/s

View exact numbers

Test name	Executions per second
✓ .unshift()	1,509,195 Ops/sec
.push()	205,846 Ops/sec

Script Preparation code:

var arr = []

Tests: