1. Hyper Text Markup Language (HTML) is a Language used to describe web pages. 2.HTML consists of a set of Markup tags, which are used to describe web pages when making web pages

Common browsers: Internet Explorer Google Chrome Firefox Safari Opera

HTML5 is a standardized platform

World Wide Web Consortium (W3C) Is a collection of a series of standards, a web page is mainly composed of three parts, namely, Structure HTML, Presentation CSS, and Behavior JavaScript

In a web page, divided into many parts, including various levels of title, body, images, lists, etc., which constitute the structure of a web page. Attributes such as font, color, spacing, etc. for each component constitute its presentation. An animated interaction in which a user clicks to make an element move or disappear on a page is called an action

Html is a hypertext markup language in which < tag > content begins and ends with <>

A complete web page in addition to the basic structure, but also includes the page declaration, tags and other basic information


      The page declared h5 must be in the first line<title> <meta>
<meta name="description" content="Beida Bluebird is domestic...."/>  <! -- Easy search engine search -->
<! -- The tags that appear in pairs are called double tags, and the tags that appear in single tags are called single tag title tags [double tags] (divided into levels 1 to 6) :< H1 >~< H6 > level 1 is the largest text, <P> Indicates a single line of text. <br/> Horizontal line tag. < HR /> Font style tag: [double]<em> Comments in HTML are in the format :<! -- Comment content -->Because some special characters are used as HTML syntax symbols (such as greater than: > less than: <), to display these special characters on a page, you must use the corresponding HTML code to represent these character characters. The corresponding HTML code is called character entities. Greater than (>) : & gt; Less than (>) : & lt; Quotation marks (") : & quot; Copyright symbol (c):&copy; Image label:<img src="Picture address" alt="Alternative text for images" title="Mouse hover prompt text" width="Picture width" height="Picture height"/>SRC: indicates the path of the image absolute path or relative path or external URL Ait: indicates the text to be replaced when the image cannot be displayed. Title: Provides additional prompt or help information that is displayed when the mouse moves over the image. Hyperlinks (often used to jump to other pages):<a href="Link address" target="Target window position" rel="noopener"></a>Href: specifies the location of the link. Target: specifies the window in which the link is opened.<a href=""><img src=""></img></a>Hyperlinks are divided into: inter-page links: jump from page A to page B, the most common, used for website navigation anchor chain: A from page A to page B or A from page A to page B<a href="#maker">Current position A</a>
          <a name="maker">Target position b</a>Functional link: call other program functions in the page, such as email, QQ, MSN, etc<a href="mailto:[email protected]">Contact us</a>

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