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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 9 months ago

array.splice()

26.8M/s

array.shift()

671K/s

View exact numbers

Test name	Executions per second
✓ array.splice()	26,783,206 Ops/sec
array.shift()	670,963 Ops/sec

Script Preparation code:

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

Tests: