Answers for "jquery animation appear top"

jquery animation

$( "#clickme" ).click(function() {
  $( "#book" ).animate({
    opacity: 0.25,
    left: "+=50",
    height: "toggle"
  }, 5000, function() {
    // Animation complete.
  });
});

back to top scroll animation jquery

$(function() {
    $(window).scroll(function() {
        if($(this).scrollTop() != 0) {
            $('#toTop').fadeIn();    
        } else {
            $('#toTop').fadeOut();
        }
    });

    $('#toTop').click(function() {
        $('body,html').animate({scrollTop:0},800);
    });    
});​