document.addEventListener("DOMContentLoaded", () => { // Find the active nav item in the sidebar const item = document.getElementsByClassName("navListItemActive")[0]; if (!item) { return; } const bounding = item.getBoundingClientRect(); if ( bounding.top >= 0 && bounding.bottom <= (window.innerHeight || document.documentElement.clientHeight) ) { // Already visible. Do nothing. } else { // Not visible. Scroll sidebar. item.scrollIntoView({ block: "center", inline: "nearest" }); document.body.scrollTop = 0; document.documentElement.scrollTop = 0; } })