jQuery: the scrollTop() method

HTML

<p><button id="scroll">scrollTop()</button></p>

<div id="ahmet"></div>

CSS

#test {
    width: 100px;
    height: 100px;
    position: relative;
    top: 1000px;
    background: green;
}

JavaScript

$('#scroll').click(function() {
    $('html,body').animate({
        scrollTop: $('#ahmet').css('top')
    }, 800);
});