A brief introduction to block elements and inline elements in HTML (code analysis)-HTML Tutorial-php.cn

A brief introduction to block elements and inline elements in HTML (code analysis)

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Release： 2018-08-22 14:23:22

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This article brings you a brief introduction (code analysis) about block elements and inline elements in HTML. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you. .

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>demo</title>
        <!--
            <style type="text/css">
            h1{
                color: red;
            }
            </style>
        -->
        <link rel="stylesheet" type="text/css" href="css/style.css"/>
    </head>
    <body>
        <h1>这是一个漂亮的网页</h1>
        
        
        <!--
            块元素，会独占一整行；
                div,p,h1,h2,h3,h4,h5,h6 都是块元素；
                div标签没有任何语义；是一个纯粹的块，不会有任何默认样式；
                div元素主要对我们的页面进行布局；
                
                ps：p元素不能包含任何块元素；
        -->
        <div style="background-color: red; width: 200px;">
            我是一个快元素
        </div>
        
        <div style="background-color: yellow;width: 400px;">
            我是一个快元素
        </div>
        
        <hr />
        
        <!--
            内联元素：只会占用自身的大小，一行占满后自动换行；、
            常见的内联元素：
            a,img,iframe,span
            
            span也没有任何语义，是专门用来选中文字设置样式；
            让span圈一段字，为这段文件进行设置样式；
            
            一般会在块元素中放一个span元素；而反过来不行；
            ps：a元素可以包含任意元素；除了a本事；
        -->
        <span>
            I am is a spane
        </span>
        <span>
            I am is a spane
        </span>
    </body>
</html>

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