rem

<!DOCTYPE html>
<html style="font-size: 100px">
<head lang="en">
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"/>
    <title></title>
    <script>
        var html = document.getElementsByTagName('html')[0];
        var width = window.innerWidth;
        var fontSize = 100/375*width;
        html.style.fontSize = fontSize +'px';
        window.onresize = function(){
            var html = document.getElementsByTagName('html')[0];
            var width = window.innerWidth;
            var fontSize = 100/375 * width;
            console.log(fontSize);
            html.style.fontSize = fontSize +'px';
        }


    </script>
    <style>
        *{
            margin: 0;
            padding : 0;
        }
        .box{
            width:100%;
        }
        .box div{
            width:1.06rem;
            height:0.5rem;
            background: red;
            float: left;
            margin-right: 0.1rem;
        }
    </style>
</head>
<body>
    <div class="box">
        <div>

        </div>
        <div>
            
            </div>
            <div>
            
                </div>
    </div>
</body>
</html>
posted @ 2020-01-02 14:17  孙帅飞  阅读(167)  评论(0)    收藏  举报