leonx101.neocities.org
i recommend W3Schools: https://www.w3schools.com/ and MDN web docs: https://developer.mozilla.org/en-US/ (MDN's articles are in multiple languages). looking stuff up is always useful. good luck!
i recommend W3Schools: https://www.w3schools.com/ and MDN web docs: https://developer.mozilla.org/en-US/ (MDN's articles are in multiple languages). looking stuff up is always useful. good luck!