What does html mean?-HTML Tutorial-php.cn

What does html mean?

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Release： 2021-01-28 18:01:45

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HTML is the abbreviation of Hyper Text Markup Language. It is an application under the standard universal markup language. HTML is not a programming language, but a markup language, which is necessary for web page production. of.

The operating environment of this article: Acer S40-51, HBuilderX.3.0.5&&html5 version, Windows10 Home Chinese version

Related learning recommendations: html tutorial

HTML is Hyper Text Markup Language, an application under the standard universal markup language. HTML is not a programming language, but a markup language. Essential for web page production.

The page can contain pictures, links, and even non-text elements such as music and programs. The structure includes a "head" part (English: Head) and a "main" part (English: Body), of which "head" The "Main" section provides information about the web page, and the "Main Body" section provides the specific content of the web page.

Example:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>网页标题</title>
</head>
<body>
<h1>文章大标题</h1>
<p>文章内容，写下你的第一段。</p>
</body>
</html>

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What does html mean?

Extension information:

1. Features

Simplicity : The hypertext markup language version upgrade adopts a superset method, making it more flexible and convenient.

Extensibility: 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.

2. Composition

characters and Chinese characters are the most basic forms of composition. There are also many special characters, which together constitute the HTML character set. HTML characters can be represented by some codes, and the codes can be represented in 2 ways. That is, character codes (named entities) and numeric codes (numbered entities).

3. Syntax format

The hexadecimal color code must be preceded by a "#" sign. This color code is composed of three parts. The first two digits represent red, and the middle two digits represent red. The first two bits represent green, and the last two represent blue. Different values represent different colors, and their value range is 00--FF.

In this representation of the decimal RGB code, the last three parameters are red, green, and blue, and their value range is 0--255. The above two expressions can be converted into each other. The standard is the conversion between hexadecimal and decimal.