Run results for: Splice vs Shift perf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

array.shift()

12.6M/s

array.splice()

6.4M/s

View exact numbers

Test name	Executions per second
✓ array.shift()	12,584,245 Ops/sec
array.splice()	6,447,012 Ops/sec

Script Preparation code:

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

Tests: