Run results for: Slice vs splice

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.1; Mi Note 3 Build/NMF26X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.158 Mobile Safari/537.36

Browser: Chrome Mobile 66

Operating system: Android 7.1.1

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
Splice	1406828.4 Ops/sec
Slice	246807.4 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