rem辅助式响应布局 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
        <style type="text/css">
            *{
                margin: 0;
                padding: 0;
                box-sizing: border-box;
            }
            #div1{
                /*7.5rem===100%*/
                width: 5rem;
                height: 1rem;
                background: skyblue;
                font-size: .7rem;
                text-align: center;
            }
        </style>
    </head>
    <body>
        <div id="div1">
            helloworld
        </div>
        <script>
              function xiangying(){
                  var html = document.querySelector('html')
                html.style.fontSize = window.innerWidth/7.5 + 'px'
//                window.onresize = function(e){
//                    console.log(e)
//                    console.log(window)
//                    html.style.fontSize = window.innerWidth/7.5 + 'px'
//                }
                }
              
              
              xiangying()
                    
            
            
        </script>
    </body>
</html>

 

posted @ 2019-03-18 21:13  就这样子吧  阅读(183)  评论(0)    收藏  举报