var arrayOne = [1, 3, 5, 11, 13];
var index = arrayOne.indexOf(5);
arrayOne.splice(index, 1);
[...arrayOne.slice(0, index), ...arrayOne.slice(index+1) ]
FAQ: FAQ
Source code: GitHub/MeasureThat.net
Report issues: MeasureThat.net/Issues
Based on: Benchmark.js
Facebook page: https://www.facebook.com/MeasureThat.Net
Python benchmarks support: Pyodide