[js常用]页面滚动的顶部,指定位置或底部,平滑滚动

js平滑滚动到顶部、底部、指定地方

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>js平滑滚动到顶部、底部、指定地方</title>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <style>
        .box{ height:200px; width:100%; background:#ccc; margin:10px 0;}
        .location{ position:fixed; right:0; bottom:10px; width:20px; background:#FFC; padding:5px; cursor:pointer;color:#003};
    </style>
</head>
<body>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box a">这部分是产品介绍.这部分是产品介绍这部分是产品介绍这部分是产品介绍这部分是产品介绍</div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box bottom"></div>

    <div class="location">
         <p class="scroll_top">返回顶部</p>
         <p class="scroll_a">产品介绍</p>
         <p class="scroll_bottom">滑到底部</p>
    </div>
</body>
</html>
<script type="text/javascript">
    jQuery(document).ready(function($){
        $('.scroll_top').click(function(){$('html,body').animate({scrollTop: '0px'}, 800);}); 
        $('.scroll_a').click(function(){$('html,body').animate({scrollTop:$('.a').offset().top}, 800);});
        $('.scroll_bottom').click(function(){$('html,body').animate({scrollTop:$('.bottom').offset().top}, 800);});
    });
</script>

 

posted @ 2018-12-01 14:45  糖羽仙  阅读(1166)  评论(0)  编辑  收藏  举报