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HTML is the language used to describe a Web page
HTML refers to Hypertext Markup Language (not programming language)
New features of HTML5:
Canvas labels for painting
Video and audio elements for media playback
............
Development tools: Common Webstorm, Dreamweaver, Intellij idea
1. HTML version: HTML .... HTML5 XHTML5 2013
Learning steps:
Html->xhtml->css->css3->js->jquery->html5
2.HTML Basic Explanation:
Disclaimer:<! Doctype> is what we call a header file, it's just a statement, not a label
HTML also has many different versions, and only the exact HTML version used in the page is fully understood, and the browser is able to display the HTML page correctly. This is <!. The usefulness of doctype>
HTML5 's declaration is: <! DOCTYPE html>
HTML4.01 's declaration is:<......>
are not the same. (You can view different versions of the header file by viewing the source page)
Some notes about the statement:
<! DOCTYPE> declaration must be the first line in the HTML document, before the <HTML> tag.
<! DOCTYPE> declaration is not an HTML tag; it is a directive that instructs Web browsers to write about which HTML version the page is using.
In HTML 4.01 , <! DOCTYPE> declarations refer to DTDs because HTML 4.01 is based on SGML. The DTD prescribes the rules of the markup language so that the browser renders the content correctly.
HTML5 is not SGML-based, so you do not need to reference DTDs.
Tip: Always add <! to your HTML document DOCTYPE> declaration so that the browser can learn the document type.
Some common tags:
<meta charset= "UTF-8";: There are many formats, UTF8 is a universal encoding format.
<p></p>: Defines a paragraph that defines a piece of text that, when not combined with the text, will have a different line spacing from the lines of the newline tag.
1. HTML5 Introduction
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