<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>top scrolling</title>
<style>
body {
margin: 0;
}
.container {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
aside {
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: 200px;
background-color: orange;
}
article {
position: absolute;
top: 0;
width: 1000px;
right: 0;
height: 1200px;
background-color: yellow;
}
#btn-top {
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 100px;
background-color: red;
cursor: pointer;
}
</style>
<script>
$(document).ready(function(){
$("#btn-top").click(function(){
$("html, body").animate({
scrollTop: 0
});
});
});
</script>
</head>
<body>
<div class="container">
<aside></aside>
<article>
<div id="btn-top"></div>
</article>
</div>
</body>
</html>
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