Run results for: Slice vs splice

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/94.0.4606.76 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 94

Operating system: iOS 15.0

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Splice	9355084.0 Ops/sec
Slice	5351154.0 Ops/sec

Script Preparation code:

var arrayOne = [1, 3, 5, 11, 13];
var index = arrayOne.indexOf(5);

Tests:

Splice
arrayOne.splice(index, 1);
Slice
[...arrayOne.slice(0, index), ...arrayOne.slice(index+1) ]

Run results for: Slice vs splice

Splice

Slice