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What does the html file include and what is it composed of?

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Release: 2024-04-11 04:14:27
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HTML files consist of document type declarations and HTML elements. The document type declaration specifies the HTML version, and HTML elements use tags (<>) to define content and structure, including header () and body (). HTML files are plain text that are interpreted by the browser as visual web pages, often with nested structures and references to external analysis resources such as stylesheets and scripts.

What does the html file include and what is it composed of?

Composition of an HTML file

A Hypertext Markup Language (HTML) file consists of two main parts:

1. Document type declaration (DOCTYPE)

  • The first line of an HTML file is usually a document type declaration, which specifies the HTML version to be used.

2. HTML Elements

  • HTML elements are the building blocks that define the content and structure of a web page.

    • Header (): Contains information about the web page, such as title, metadata, and style sheets.
    • Body (): Contains the visible content of the web page, such as text, images, and interactive elements.

HTML elements use the following syntax:

<code><element_name>content</element_name></code>
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For example:

<code><h1>标题</h1>
<p>段落</p>
<img src="image.jpg" alt="图片"></code>
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Characteristics of HTML files

  • Use plain text format
  • Interpreted by the browser as a visual web page
  • Use tags (< >) to define elements
  • Elements usually become Pair occurrences (such as

    and

    )
  • Have nested structures (for example,
    elements can contain

    elements)

  • Can contain external resources , such as stylesheets and scripts

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