<!--your preparation HTML code goes here-->
const fruits = ['apple', 'banana', 'orange', 'grape'];
fruits.includes('banana');
fruits.indexOf('orange');
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