js面试题-----页面布局

时间：2017-09-11 19:36:00 阅读：233 评论：0 收藏：0 [点我收藏+]

标签：ble cell oat type column head 文档流 document col

题目1:假设高度已知，请写出三栏布局，其中左栏、右栏宽度各为300px,中间自适应

答案:

　　①、浮动方式

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style media=‘screen‘>
        *{
            padding:0;
            margin:0;
        }
        .layout article div{
            min-height:100px;
        }
        .layout.float .left{
            float:left;
            width:300px;
            background:red;
        }
        .layout.float .right{
            float:right;
            width:300px;
            background:blue;
        }
        .layout.float .center{
            background:yellow;
        }
    </style>
</head>
<body>
    <section class="layout float">
        <article class=‘left-right-center‘>
            <div class=‘left‘></div>
            <div class=‘right‘></div>
            <div class=‘center‘>
                <h1>浮动解决方案</h1>

            </div>
        </article>
    </section>
</body>
</html>

　　②、定位方式　

<style media=‘screen‘>
        *{
            padding:0;
            margin:0;
        }
        .layout article div{
            min-height:100px;
            position:absolute;
        }
        .layout.float .left{
            left:0;
            width:300px;
            background:red;
        }
        .layout.float .right{
            right:0;
            width:300px;
            background:blue;
        }
        .layout.float .center{
            left:300px;
            right:300px;
            background:yellow;
        }
    </style>

　　③、flex布局

*{
            padding:0;
            margin:0;
        }
        .layout article{
            display:flex;
        }
        .layout.float .left{
            width:300px;
            background:red;
        }
        .layout.float .right{
            width:300px;
            background:blue;
        }
        .layout.float .center{
            flex:1;
            background:yellow;
        }

　　④、表格布局

*{
            padding:0;
            margin:0;
        }
        .layout article{
            width:100%;
            display:table;
            height:100px;
        }
        .layout article div{
            display:table-cell;
        }
        .layout.float .left{
            width:300px;
            background:red;
        }
        .layout.float .right{
            width:300px;
            background:blue;
        }
        .layout.float .center{
            background:yellow;
        }

　　⑤、网格布局　

*{
            padding:0;
            margin:0;
        }
        .layout article{
            display:grid;
            width:100%;
            grid-template-rows:100px;
            grid-template-columns:300px auto 300px;
        }
        article .left{
            background:red;
        }
        article .center{
            background:yellow;
        }
        article .left{
            background:blue;
        }