Run results for: Splice vs Unshift (at least addition last elements 2)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.4

Device Platform: Mobile

Date tested: one year ago

array.splice()

74.3M/s

array.shift()

6.2M/s

View exact numbers

Test name	Executions per second
✓ array.splice()	74,335,832 Ops/sec
array.shift()	6,202,673 Ops/sec

Script Preparation code:

var array = [1, 2, 3, 4, 5, 6, 7, 8]

Tests: