• css清除浮动方式总结


    1.通过父元素overflow:hidden,缺点:超出部分隐藏,不推荐使用

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <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>
        <style type="text/css">
            *{padding:0;margin:0;}
            .box{margin:50px;border:1px solid #ddd;overflow:hidden;}
            .left{float:left;}
            .right{float:right;}
        </style>
    </head>
    <body>
    <div class="box">
       <div class="left">54</div>
       <div class="right">33</div>
    </div>
    </body>
    </html>

    效果:

    方式2:添加空标签并设置clear:both,缺点是额外添加空标签,不推荐使用

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <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>
        <style type="text/css">
            *{padding:0;margin:0;}
            .box{margin:50px;border:1px solid #ddd;}
            .left{float:left;}
            .right{float:right;}
            .slot{clear:both;}
        </style>
    </head>
    <body>
    <div class="box">
       <div class="left">54</div>
       <div class="right">33</div>
       <div class="slot"></div>
    </div>
    </body>
    </html>

    方式3:通过伪类添加,既不会隐藏超出部分,又不多空标签,推荐使用

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <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>
        <style type="text/css">
            *{padding:0;margin:0;}
            .box{margin:50px;border:1px solid #ddd;}
            .box:after{content:'';display:block;clear:both;}
            .left{float:left;}
            .right{float:right;}
        </style>
    </head>
    <body>
    <div class="box">
       <div class="left">54</div>
       <div class="right">33</div>
    </div>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/hesj/p/10524259.html
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