js window scrolltop code example
Example 1: window.scroll
scroll function
window.scroll({
top: 0,
left: 0,
behavior: 'smooth'
});
window.scroll(x-coord, y-coord)
window.scroll(options)
Example 2: scroll to top
$("#scroll_icon").click(function()
{
jQuery('html,body').animate({scrollTop:0},2000);
})