11. HTML tutorial-(HTML5 Standard)

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Hypertext markup language (English: HyperText Markup Language, HTML) is a standard markup language for creating web pages.

You can use HTML to build your own WEB site, and HTML runs on the browser and is parsed by the browser.

In this tutorial, you will learn how to use HTML to create a site.

HTML is easy to learn! I believe you can learn it soon!

This tutorial contains hundreds of HTML instances.

Using the editor of this site, you can easily modify HTML online and view the running results of the instance.

注意: For Chinese pages, you need to use <meta charset=”utf-8”> Declare the code, otherwise there will be garbled. Some browsers (such as 360browser) will set GBK as the default encoding, then you need to set it to <meta charset=”gbk”>。

Suffix name of the HTML document

  • .html

  • .htm

There is no difference between the above two suffix names, and both can be used.

开始学习HTML!

HTML instance

Hundreds of online instances are included in the HTML manual, and you can edit and view the running results online.

查看 HTML 实例!

HTML reference manual

In the rookie tutorial, we provide a complete HTML reference manual, including tags, attributes, colors, entities, and so on.

HTML 标签参考手册

HTML/CSS/JS online tool

HTML/CSS/JS online tools can edit HTML, CSS, JS code online and view the results in real time. You can also save and share high-quality code: https://c.runoob.com/front-end/61

  • 11.1. HTML tutorial-(HTML5 Standard)

    Hypertext markup language (English: HyperText Markup Language, HTML) is a standard markup language for creating web pages...
    2025-10-25 13:33:15 UTC
  • 11.2. Introduction to HTML

    11.2.1. HTML instance ¶ Rookie Tutorial(runoob.com) My first titleMy first paragraph. Case analysis ¶ ...
    2025-10-25 13:33:14 UTC
  • 11.3. HTML Editor

    11.3.1. HTML Editor recommendation ¶ You can use a professional HTML editor to edit HTML. Rookie tutorials recommend ...
    2025-10-25 13:33:14 UTC
  • 11.4. HTML Foundation-4 Instance

    Don’t worry about the examples you haven’t learned in this chapter. You will learn about them in the following chapters. ...
    2025-10-25 13:33:08 UTC
  • 11.5. HTML element

    The HTML document is defined by the HTML element. 11.5.1. HTML element ¶ Start label Element content En...
    2025-10-25 13:33:13 UTC
  • 11.6. HTML attribute

    The property is HTML element to provide additional information. 11.6.1. HTML attribute ¶ HTML element can...
    2025-10-25 13:33:13 UTC
  • 11.7. HTML title

    In an HTML document, the title is important. 11.7.1. HTML title ¶ The title (Heading) is passed through the - ...
    2025-10-25 13:33:13 UTC
  • 11.8. HTML paragraph

    HTML can split a document into paragraphs. 11.8.1. HTML paragraph ¶ The paragraph is through the defined by th...
    2025-10-25 13:33:09 UTC
  • 11.9. HTML text formatting

    11.9.1. HTML text formatting ¶ Bold text Italic text Computer automatic output is subscript and supers...
    2025-10-25 13:33:15 UTC
  • 11.10. HTML link

    HTML uses a hyperlink to connect to another document on the network. Links can be found in almost all web pages. Click the l...
    2025-10-25 13:33:09 UTC
  • 11.11. HTML <head>

    11.11.1. HTML element ¶ element contains all the header tag elements. In can insert scripts (scripts),...
    2025-10-25 13:33:15 UTC
  • 11.12. HTML style-CSS

    CSS (Cascading Style Sheets) is used to render the style of HTML element tags. 11.12.1. Look! Styles and colors ¶ M...
    2025-10-25 13:33:11 UTC
  • 11.13. HTML image

    11.13.1. Example ¶ Norwegian Mountain Trip HTML Image-Image tag (< img >) and Source attribute (Src) ¶ In H...
    2025-10-25 13:33:09 UTC
  • 11.14. HTML form

    11.14.1. HTML table instance ¶ First Name Last Name Points Jill Smith 50 Eve Ja...
    2025-10-25 13:33:11 UTC
  • 11.15. HTML list

    HTML supports ordered, unordered, and defined lists: 11.15.1. HTML list ¶ Ordered list First list item Seco...
    2025-10-25 13:33:08 UTC
  • 11.16. HTML < div > and < span >

    HTML can combine elements through and . 11.16.1. HTML block element ¶ Most HTML elements are defined as b...
    2025-10-25 13:33:13 UTC

Principles, Technologies, and Methods of Geographic Information Systems

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In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.