how to scroll page on button click in html code example

Example 1: scroll to top

$("#scroll_icon").click(function()
	{
		jQuery('html,body').animate({scrollTop:0},2000);
	})

Example 2: javascript go to top of page

window.scroll({
 top: 0, 
 left: 0, 
 behavior: 'smooth' 
});

Example 3: javascript go to top of page

//EITHER:

window.scroll({
 top: 0, 
 left: 0, 
 behavior: 'smooth' 
});

//*****************************
//OR:

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