const arr = [1,2,3,4,5];
const arr2 = [...[1,2,3,4,5], 6];
const arr2 = [1,2,3,4,5].push(6);
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