I will be updating the code soon. You should be familiar with clearing your browser file cache to avoid any issues with your browser caching old javascript and css files. Below are articles that talk about how to clear your browser file cache. Note that you should only have to clear your file cache and not anything else. You don't need to clear cookies. -- Chrome, Edge, Firefox & Opera on Desktop & Laptop: https://kinsta.com/knowledgebase/how-to-clear-browser-cache/ -- Apple iPhone: https://www.cnet.com/tech/mobile/you-can-speed-up-your-browsing-on-your-iphone-by-clearing-the-cache-how-to-do-it/ -- Google Android: https://www.laptopmag.com/how-to/how-to-clear-your-cache-on-android