javaScript гладкий свиток к якорям элементу
//add smooth scrolling when clicking any anchor link
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute('href')).scrollIntoView({
behavior: 'smooth'
});
});
});
//<a href="#someOtherElementID"> Go to Other Element Smoothly </a>
Grepper