Sometimes, we need to set scroll bottom as default by using jquery, in bellow example you can see i use scrollHeight for get the total height of scroll class div with scroll, and at last i use animate with scrollTop attribute and set bottom, So Basically when your page will load then automatically scroll as bottom.
Example:
<html lang="en">
<head>
<title>Scroll Down bottom</title>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>
<body>
<div class="scroll-class" style="border: 1px solid black;height: 200px;overflow: scroll;width: 300px;">
<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</p>
</div>
<script type="text/javascript">
var objDiv = $(".scroll-class");
var h = objDiv.get(0).scrollHeight;
objDiv.animate({scrollTop: h});
</script>
</body>
</html>
