HTML, the full name of "Hypertext Markup Language", is a standard language used to create web pages. It uses markup (HTML tags) to define various elements such as text, images, links, tables, etc., and organizes these elements to form a web page. This article will introduce the basic syntax, tags, elements, attributes and other related knowledge of HTML, and how to use this knowledge to create web pages.
HTML consists of a series of tags and text. Its basic syntax is as follows:
<!DOCTYPE html> <!-- 声明文档类型 --> <html> <!-- HTML文档的根元素 --> <head> <!-- 定义文档头部 --> <title>网页标题</title> <!-- 定义网页标题 --> </head> <body> <!-- 定义文档主体 --> <!-- 此处可以插入文本、图像、链接等各种元素 --> </body> </html>
Among them, "" declares the document type to be HTML5 standard, "" is the root element of the HTML document, and "
" defines The document header is generally used to define the title, style, script and other information of the web page. "Tags in HTML are wrapped in angle brackets (< >) and usually appear in pairs, each beginning with tag and a closing tag. For example, "
" is a start tag that defines a paragraph, while "
" is a closing tag.There are also some single tags in HTML, which have only one tag but do not require a closing tag. For example, "" is used to insert an image, and its syntax is as follows:
<img src="图片地址" alt="图片描述">
Among them, the "src" attribute specifies the URL address of the image, and the "alt" attribute specifies the description information of the image.
HTML tags can also contain attributes, which are additional information used to describe elements. For example, the "" tag is used to create a link, and its syntax is as follows:
<a href="链接地址">链接文本</a>
Among them, the "href" attribute specifies the URL address of the link, and the "link text" is what the user sees on the page. to the text.
In addition to the "href" attribute, there are many other commonly used attributes. For example, the "class" and "id" attributes are used to identify and classify elements for easy access and manipulation by style sheets and JavaScript scripts. The syntax is as follows:
<div class="class名称" id="id名称">元素内容</div>
The following is an example of a simple web page made using HTML:
<!DOCTYPE html> <html> <head> <title>我的第一个网页</title> <style> body { background-color: #E6E6FA; font-family: Arial, sans-serif; } h1 { color: blue; } </style> </head> <body> <h1>欢迎访问我的第一个网页!</h1> <p>这是一个由HTML制作的简单网页示例。</p> <h2>利用HTML制作网页的步骤:</h2> <ol> <li>学习HTML基本语法、标签和属性。</li> <li>创建HTML文件,用文本编辑器编辑文件代码。</li> <li>保存HTML文件,用浏览器打开并查看网页效果。</li> </ol> <p>祝大家学习愉快,制作美丽的网页!</p> </body> </html>
This web page uses It includes various elements such as titles, paragraphs, styles, lists, etc. in HTML. Among them, the "