The official name of HTML is "Hypertext Markup Language".
HTML stands for Hyper Text Markup Language. Hypertext language is the universal language of the Internet, a simple and universal all-in-one markup language. It allows web page producers to create complex pages that combine text and images, and these pages can be viewed by anyone else on the Internet, regardless of the type of computer or browser used.
HTML is not a programming language, but a markup language, which is necessary for web page production. "Hypertext" means that the page can contain pictures, links, and even non-text elements such as music and programs.
The structure of hypertext markup language includes a "head" part and a "body" part. The "head" part provides information about the web page, and the "body" part provides the specific content of the web page.
Main features of HTML
1. Simplicity: Hypertext Markup Language version upgrade adopts superset method, making it more flexible and convenient.
2. Scalability: The wide application of hypertext markup language has brought about requirements for enhanced functions and added identifiers. Hypertext markup language adopts the method of subclass elements to ensure system expansion.
3. Platform independence: Although personal computers are popular, there are many people using other machines such as MAC. Hypertext Markup Language can be used on a wide range of platforms. This is another reason why the World Wide Web (WWW) is popular. reason.
4. Universality: HTML is the universal language of the Internet, a simple and universal all-purpose markup language.
2. Requirements for editing HTML files
1. The file extension of the text markup language source program uses htm or html by default to facilitate identification by the operating system or program. , except for custom Chinese character extensions. The extensions of commonly used image files are gif and jpg.
2. The source program of Hypertext Markup Language is a text file, and its column width is not limited, that is, multiple tags can be written in one line, or even the entire file can be written in one line; if written in multiple lines, the browser generally ignores the file The carriage return character in the file (except for mark specification); spaces in the file are usually not displayed according to the effect in the source program.
3. The tag elements in the tag are enclosed in angle brackets. The element with a slash indicates the end of the tag description; most tags must be used in pairs to indicate the start and end of the function; tag Elements ignore case, i.e. they have the same effect.
4. Marking symbols, including angle brackets, mark elements, attribute items, etc., must use half-width Western characters instead of full-width characters.
5. HTML comments start with "", such as . Annotation content can be inserted anywhere in the text. Any mark with an exclamation point inserted at the beginning is marked as a comment and will not be displayed.
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