Answers for "jquery page animate from top to section"

jquery scroll to top of div animate

$("#yourDivID").animate({scrollTop:0}, "smooth");

jquery scrolltop animate

var body = $("html, body");
body.stop().animate({scrollTop:0}, 500, 'swing', function() { 
   alert("Finished animating");
});

jquery change position animate

$("#Friends").animate({ 
        top: "-=30px",
      }, duration );