<title>jQuery Scrolltop Demo example</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-2.1.4.min.js">
<script type="text/javascript" src="https://code.jquery.com/color/jquery.color-git.js">
<script type="text/javascript">
$("body").animate({backgroundColor:"olive"}, "slow"); $("body").animate({backgroundColor:"yellow"}, "slow");<h4 ><a href="javascript:void(0);" onclick="animateBg()" >Click to Animate Background </a></h4>