JS
(quick guide & examples)
SCROLL BACK TO TOP OF PAGE window.onscroll = () => window.scroll(0, 0);
SCROLL BACK TO ELEMENT window.onscroll = () => document.getElementById("ID") .scrollIntoView();
NO SCROLL, NO TEXT HIGHLIGHT. document.body.style.overflow = "hidden"; document.body.style.userSelect = "none";
FULL SCREEN DIV <div style="position:fixed; top:0; left:0; width:100vw; height:100vh; z-index:999; background: white; display:none;" id="box"> CONTENT HERE </div>
JAVASCRIPT TO TOGGLE VISIBILITY document.getElementById("box").style .display = "block"; document.getElementById("box").style .display = "none";