my-portfolio/dist/js/main.js

const scrollLimit=150;window.onscroll=()=>{document.body.scrollTop>=150||document.documentElement.scrollTop>=150?document.querySelector("nav").classList.add("scrolled"):document.querySelector("nav").classList.remove("scrolled");let e="";document.querySelectorAll("section").forEach((o=>{const c=o.offsetTop;window.pageYOffset>=c-60&&(e=o.getAttribute("id"))})),document.querySelectorAll("nav ul li a").forEach((o=>{o.classList.remove("active"),o.href.includes(e)&&""!==e?o.classList.add("active"):""===e&&document.querySelector("nav ul li a").classList.add("active")}))};