<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>LOVE YOU</title>
<style >
img{
border:0;
}
</style>
</head>
<body>
<div onclick="GoTop();" style = 'width:50px;height:50px;background-color: black;color: white;position:fixed;bottom:20px;right: 20px'>
返回顶部
</div>
<div style = 'height:5000px;background-color: #dddddd;'>
hello
</div>
<script >
function GoTop(){
document.body.scrollTop = 0;
}
</script>
</body>
</html>
html 返回顶部
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转载自blog.csdn.net/zhuisaozhang1292/article/details/81087964
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