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html5 is not a new language. HTML (Hypertext Markup Language) is a markup language created in 1990, and html5 is the fifth major revision of HTML. HTML5 has made certain improvements based on the previous HTML4.01. Its main purpose is to make the Web Consensus-based standards become easier for developers and browser creators to follow, increasing compliance and enhancing their compliance.
The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.
html5 is not a new language. HTML5 is the fifth major modified version of HTML.
HTML5 is a language description method for constructing web content. HTML5 is the next generation standard of the Internet and a language method for constructing and presenting Internet content. It is considered to be one of the core technologies of the Internet. HTML was created in 1990, and HTML4 became an Internet standard in 1997 and is widely used in the development of Internet applications.
HTML is a markup language created in 1990 by Tim Berners-Lee, the inventor of the Web, and his colleague Daniel W. Connolly. It is an application of the standard generalized markup language SGML. Hypertext documents written in HTML are called HTML documents, which are independent of various operating system platforms (such as UNIX, Windows, etc.). Using HTML, the information that needs to be expressed is written into HTML files according to certain rules, recognized by a dedicated browser, and these HTML files are "translated" into identifiable information, that is, the web pages we see.
HTML5 is the specification of the core language HTML in the Web. The content that users see when browsing the web using any means is originally in HTML format. It is converted into a recognizable format through some technical processing in the browser. Information. HTML5 has made certain improvements on the basis of the previous HTML4.01. Although technical personnel may not put these new technologies into application during the development process, website development technical personnel must be aware of the new features of this technology. understand.
html5 is a set of technology combinations including HTML, CSS and JavaScript that enhances the performance of Web pages. Secondly, web application functions such as local database are added.
HTML5 was developed to resolve compatibility issues affecting the current standard HTML4. One of the biggest differences between HTML5 and previous versions of the standard is that older versions of HTML required proprietary plug-ins and APIs. (This is why a web page built and tested in one browser may not load correctly in another browser.) HTML5 provides a common interface that makes loading elements easier. For example, there is no need to install the Flash plugin in HTML5 as the element will run on its own.
The purpose of HTML5 is primarily to make it easier for web developers and browser creators to follow consensus-based standards, thereby improving compliance and enhancing compliance. It is also designed to provide a better, faster, and more consistent user experience for desktop and mobile visitors.
One of the design goals of HTML5 is to support multimedia on mobile devices. New syntax features have been introduced to support this functionality, such as video, audio and canvas tags. HTML5 also introduces new features that can truly change the way users interact with documents.
HTML version
Since the birth of HTML, after continuous development, many HTML versions have appeared on the market. A brief introduction to HTML versions is as follows :
| HTML Version | Version Description |
|---|---|
| HTML 1.0 | HTML 1.0 version, released in 1991. |
| HTML 2.0 | The second version of HTML, released in 1995, added form elements and file upload functions. |
| HTML 3.2 | The third version of HTML was released by the W3C in early 1997, which added the ability to create tables and forms. |
| HTML 4.01 | HTML 4.01 was released in December 1999. This version added support for style sheets (CSS). HTML 4.01 is a very stable version and is the current official standard. |
| HTML 5 | The first draft of HTML5 was released in January 2008. It is recognized as the next generation Web language and has greatly improved the Web's capabilities in rich media, rich content and Its capabilities in rich applications and other aspects have been hailed as an important driving force that will eventually change the mobile Internet. |
HTML 4 and HTML 5 (referred to as H5) are the two most important versions. HTML 4 has adapted to the PC Internet era, and HTML 5 has adapted to the mobile Internet era.
HTML 5 adds a lot of semantic tags based on HTML 4 and is more powerful. Except for lower versions of IE browsers, almost all other browsers can support HTML 5 well. If your users rarely use Internet Explorer, feel free to use HTML 5.
Some interesting new features in HTML5:
The canvas element for painting.
Video and audio elements for media playback
Better support for local offline storage.
New special content elements, such as article, footer, header, nav, section.
New form controls, such as calendar, date, time, email, url, search.
Related recommendations: "html video tutorial"
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