scroll top using jquery code example
Example 1: scroll to top jquery
window.scrollTo({top: 0, behavior: 'smooth'});
reference : https://stackoverflow.com/questions/15935318/smooth-scroll-to-top
Example 2: scrool to top jquerry
$("a[href='#top']").click(function() {
$("html, body").animate({ scrollTop: 0 }, "slow");
return false;
});