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    What is HTML?

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    What is HTML?

    HTML is the standard markup language for creating Web pages.
    • HTML stands for Hyper Text Markup Language
    • HTML describes the structure of Web pages using markup
    • HTML elements are the building blocks of HTML pages
    • HTML elements are represented by tags
    • HTML tags label pieces of content such as "heading", "paragraph", "table", and so on
    • Browsers do not display the HTML tags, but use them to render the content of the page

    A Simple HTML Document

    Example

    <!DOCTYPE html>
    <html>
    <head>
    <title>Page Title</title>
    </head>
    <body>

    <h1>My First Heading</h1>
    <p>My first paragraph.</p>

    </body>
    </html>
    Example Explained
    • The <!DOCTYPE html> declaration defines this document to be HTML5
    • The <html> element is the root element of an HTML page
    • The <head> element contains meta information about the document
    • The <title> element specifies a title for the document
    • The <body> element contains the visible page content
    • The <h1> element defines a large heading
    • The <p> element defines a paragraph

    HTML Tags

    HTML tags are element names surrounded by angle brackets:
    <tagname>content goes here...</tagname>
    • HTML tags normally come in pairs like <p> and </p>
    • The first tag in a pair is the start tag, the second tag is the end tag
    • The end tag is written like the start tag, but with a forward slash inserted before the tag name
    Tip: The start tag is also called the opening tag, and the end tag the closing tag.

    HTML Versions

    Since the early days of the web, there have been many versions of HTML:
    Version Year
    HTML 1991
    HTML 2.0 1995
    HTML 3.2 1997
    HTML 4.01 1999
    XHTML 2000
    HTML5 2014

     

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