javascript scroll to top of page

// this changes the scrolling behavior to "smooth"
window.scrollTo({ top: 0, behavior: 'smooth' });

window.scroll({top: 0, left: 0});
//Or with jQuery
$('html,body').scrollTop(0);
//with animation
$('html, body').animate({ scrollTop: 0 }, 'fast');

// auto-scroll to the top of the webpage

window.scrollTo(0, 0);