This time I will bring you a summary of H5 block-level tags. How to use H5 block-level tags? What are the precautions when using H5 block-level tags? The following is a practical case, let’s take a look.
Block-level elements, simply put, are elements that occupy their own line. Its characteristics:
① always starts on a new line;
② height, line height and outer margin and inner margin can be used Control;
③The width defaults to 100% of its container, unless a width is set.
④ It can accommodate inline elements and other block elements
The summary code is as follows:
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<!-- 块状元素 独占一行 -->
<!-- div无语义,称它为盒子 -->
<div>盒子</div>
<!-- h1-h6语义 定义标题 -->
<h1 id="标题">标题1</h1>
<h2 id="标题">标题2</h2>
<h6 id="标题">标题3</h6>
<!-- p 语义 段落标签 写文字-->
<p>文章</p>
<!-- 列表多数用来存一系列的相似的数据 -->
<!-- 有序列表 -->
<ol>
<li>导航1</li>
<li>导航2</li>
<li>导航3</li>
</ol>
<!-- 无序列表 -->
<ul>
<li>导航1</li>
<li>导航2</li>
<li>导航3</li>
</ul>
<!-- 定义列表 解释某个名词 -->
<dl>
<dt>名词</dt>
<dd>解释名词的位置</dd>
</dl>
<!-- 表格 渲染性能不好 少用 -->
<table>
<caption>表格头部</caption>
<!-- tr是行 -->
<tr>
<!-- th表头 -->
<th>星期一</th>
<th>星期二</th>
</tr>
<tr>
<!-- td单元格 -->
<td>上课</td>
<td>上课</td>
</tr>
</table>
</body>
</html>I believe you have mastered the method after reading these cases , for more exciting content, please pay attention to other related articles on the php Chinese website!
Related reading:
How to create a drag-and-drop effect in H5
About how old versions of browsers are not compatible with H5 and C3 Method
#How to draw graphics using H5’s CanvasAPI
The above is the detailed content of H5 block-level tag summary. For more information, please follow other related articles on the PHP Chinese website!
html5的div一行可以放两个吗Apr 25, 2022 pm 05:32 PMhtml5的div元素默认一行不可以放两个。div是一个块级元素，一个元素会独占一行，两个div默认无法在同一行显示；但可以通过给div元素添加“display：inline;”样式，将其转为行内元素，就可以实现多个div在同一行显示了。
html5中列表和表格的区别是什么Apr 28, 2022 pm 01:58 PMhtml5中列表和表格的区别：1、表格主要是用于显示数据的，而列表主要是用于给数据进行布局；2、表格是使用table标签配合tr、td、th等标签进行定义的，列表是利用li标签配合ol、ul等标签进行定义的。
html5怎么让头和尾固定不动Apr 25, 2022 pm 02:30 PM固定方法：1、使用header标签定义文档头部内容，并添加“position:fixed;top:0;”样式让其固定不动；2、使用footer标签定义尾部内容，并添加“position: fixed;bottom: 0;”样式让其固定不动。
HTML5中画布标签是什么May 18, 2022 pm 04:55 PMHTML5中画布标签是“<canvas>”。canvas标签用于图形的绘制，它只是一个矩形的图形容器，绘制图形必须通过脚本（通常是JavaScript）来完成；开发者可利用多种js方法来在canvas中绘制路径、盒、圆、字符以及添加图像等。
html5中不支持的标签有哪些Mar 17, 2022 pm 05:43 PMhtml5中不支持的标签有：1、acronym，用于定义首字母缩写，可用abbr替代；2、basefont，可利用css样式替代；3、applet，可用object替代；4、dir，定义目录列表，可用ul替代；5、big，定义大号文本等等。
html5废弃了哪个列表标签Jun 01, 2022 pm 06:32 PMhtml5废弃了dir列表标签。dir标签被用来定义目录列表，一般和li标签配合使用，在dir标签对中通过li标签来设置列表项，语法“<dir><li>列表项值</li>...</dir>”。HTML5已经不支持dir，可使用ul标签取代。
html5是什么意思Apr 26, 2021 pm 03:02 PMhtml5是指超文本标记语言（HTML）的第五次重大修改，即第5代HTML。HTML5是Web中核心语言HTML的规范，用户使用任何手段进行网页浏览时看到的内容原本都是HTML格式的，在浏览器中通过一些技术处理将其转换成为了可识别的信息。HTML5由不同的技术构成，其在互联网中得到了非常广泛的应用，提供更多增强网络应用的标准机。
Html5怎么取消td边框May 18, 2022 pm 06:57 PM3种取消方法：1、给td元素添加“border:none”无边框样式即可，语法“td{border:none}”。2、给td元素添加“border:0”样式，语法“td{border:0;}”，将td边框的宽度设置为0即可。3、给td元素添加“border:transparent”样式，语法“td{border:transparent;}”，将td边框的颜色设置为透明即可。
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
Atom editor mac version download
The most popular open source editor
