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This time I will bring you what you must know to get started with HTML. What are theprecautionsthat you must know when getting started with HTML. Here are practical cases, let’s take a look.
1. Introduction
1. Hyper Text Mark Language (Hyper Text Mark Language) is a standard markup language for creating web pages, which is parsed by the browser.
2. The document suffix is .html or htm, and html files are also called web pages;
3. HTML does not support spaces, carriage returns, and tabs, and they will be parsed into A blank character;
4,HTML tagusually appears in pairs, format: b6868bec2c3a82e89af256f67eca2382dataa547c32f89c356844fdc839abfc46ca2;
5, only 89d8c84e59f5eec803d3fabb2ed6bbbc 36cc49f0c466276486e50c850b7e4956 tag will be displayed in the browser;
6. HTML language is not case-sensitive;
7. 437adf9abe291aebc23d493fb646ba2e
8. helloworld!
helloworld! helloworld!
2. Tags
(1) Basic
HTML页面根元素 包含文档的元数据(meta)文档标题,存书签时也显示此内容 包含了页面的可见内容 大标题,往下每一级标题依次h2,h3的类推,最小标题是h6
段落 链接,中间内容为显示内容,例:百度;如果target="_blank",链接会在新的窗口中打开 图像,alt属性可在浏览器无法载入图像时显示文本 框架,使用src属性指向不同的URL,达到一个窗口显示多个页面的目的;
换行符,属于一个空元素,即没有内容的元素,空元素是在开始标签中关闭的
分割线区块,可用于组合其他元素的容器;可使用它进行布局; 用来组合文档中的行内元素; 声明html版本,不区分大小写
(2) Text format tag
加粗显示之间的文字,也可用 斜体,也可用 放大 缩小 下标文字 上标文字 下划线删除线
(3) Citation, quotation and tag definition
缩写,被缩写的内容用title属性来体现 定义地址,通常被包含在
(4)
1“计算机输出”标签1定义计算机代码 2 定义键盘码 3 定义计算机代码样本 4 定义变量 5 定义预格式文本
(5) The head element can contain elements
定义了页面的默认链接地址,通过href属性来实现 定义了文档和外部资源的关系,通常可用rel,type,href等属性 定义了文档中的元数据,可有name,content,charset等属性 用于加载脚本文件 定义了HTML文档的样式文件 (6)Picture tag
1 2 定义带有可点击区域的图像,可有shape,coords等属性,来画各种图形 3 带有可点击区域图像映射,必须有name属性,中间可包含area元素;(7) Table tag
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