Run results for: arr unshift vs push + reverse (small array)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

unshift

430K/s

push + reverse

17/s

View exact numbers

Test name	Executions per second
✓ unshift	430,142 Ops/sec
push + reverse	17 Ops/sec

Script Preparation code:

var arr = [10];

Tests: