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What is HTML?
HTML is a standard markup language that allows you to create Web pages in this language.
HTML is a hyper-text markup language
HTML uses some markup to describe the structure of the page
Elements in HTML (elements) are the basis for building a page
HTML tags (tags) represent page elements
A variety of different labels (such as head tags, table labels, picture labels) work together with each other, forming a colorful web world
The browser does not show the label, and the HTML page we see is the result of the label rendering.
A simple HTML instance
HTML instance
<! DOCTYPE html>
<title> Page Title </title>
<body>
<p> I am the paragraph </p>
</body>
Try
Instance parsing
<! DOCTYPE html> describes the document type of the current page as HTML5
The <title> tag describes the title of the current page, which is usually displayed in the browser's tab
<p> tags define the content of the article paragraph
HTML tags
An HTML tag is a block of elements wrapped up by a signature and an arrow brace, which can fill some content or nest other tags
< tag name > I am content </tag name >
In general, HTML tags always appear in pairs, such as <p></p>
The first label we call the start tag, the second tag we call the end tag
The end tag is written in the same way as the start tag, except that the tag name is preceded by a forward slash in the arrow brackets.
The relationship between browser and HTML
The main task of the browser is to read the HTML file and display the page.
Instead of displaying HTML tags, the browser determines how the page is rendered based on the tags provided by the HTML file.
HTML page structure
The general structure of the HTML page is as follows:
<title> title </title>
<body>
<p> article paragraph 1</p>
<p> article paragraph 2</p>
</body>
Note: Only the contents of the <body></body> tag will be displayed in the browser.
<! The role of the doctype> statement
<! Doctype> tells the browser the document type of the current page, and the browser correctly describes the page according to the declaration.
An HTML page can only appear once <! Doctype> declaration, and the declaration must be placed at the top of the page.
<! Doctype> is a common case, developers can write <!doctype>.
HTML version
The following table lists the version information for the HTM:
Version year
HTML1991
HTML 2.01995
HTML 3.21997
HTML 4.011999
XHTML2000
HTML52014
Original link:
Www.w3uu.com/intro/base/html-tutorial.html
What is HTML?
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