There has a simple question and two direct anwsers. All remaining things are up to you :))
Access https://vuongsg.github.io/funny-prank/ for playing with it.
- HTML
- CSS
- Vanilla JavaScript
- Edge 16+
- Firefox 52+
- Chrome 57+
- Safari 10.1+
- Opera 44+
- Safari on IOS 10.3+
- Android Browser 90+
- Opera Mobile 62+
- Chrome for Android 90+
- Firefox for Android 87+