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Is HTML5 an application development language?

青灯夜游Original: 2022-06-01 19:37:233085browse

HTML5 is not an application development language. It has no logical processing capabilities, no computing power, and cannot dynamically generate content, but can only statically display web page information. HTML5 is a language for building web content. It cannot be programmed and can only be used to mark content in web pages; it uses different tags to mark different content, format, layout, etc.

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.

The full English name of HTML is Hyper Text Markup Language, which is Hypertext Markup Language. HTML5 is a new version of HTML. HTML is not a programming language, but a markup language.

HTML5 is the fifth major revision of Hypertext Markup Language (HTML), an application under Standard Universal Markup Language, the core language of the World Wide Web.

HTML5 is not an application development language, that is, it is not a programming language.

Reason: HTML has no logical processing capabilities, no computing power, and cannot dynamically generate content, but can only statically display web page information.

Let’s analyze its essence from the full Chinese name of HTML:

1) Hypertext

is beyond plain text, which means that HTML documents can not only contain text ( text), and can also include advanced content such as pictures, audio and video, tables, lists, links, buttons, input boxes, etc.

Hyperlinks are the link of the Internet. They can connect many web pages and intertwine them to form a "net". Without hyperlinks, there would be no Internet.

2) Markup language

HTML is a computer language, but it cannot be programmed and can only be used to mark the content in web pages. HTML uses different tags to mark different content, formats, layouts, etc., for example:

tag represents a picture;
The label represents a link;
The label represents a table;
The label represents An input box;

The label represents a piece of text;

The label represents the bold effect of the text;
tag represents block-level layout.
```
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>HTML演示</title>
</head>
<body>
    <h1>这是一个标题</h1>
    <p>这是一个段落</p>
    <p>这是另一个段落</p>
    <a href="https://www.php.cn/" target="_blank">这是一个链接，指向PHP中文网首页</a>
    <ul>
        <li>HTML教程</li>
        <li>CSS教程</li>
        <li>JavaScript教程</li>
    </ul>
    <input type="text" placeholder="请输入内容" />
</body>
</html>
```
Description:

HTML5 is the next generation standard for the Internet, which is used to build and present Internet content. a form of language.

It 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.

Compared with traditional technology, HTML5’s syntax features are more obvious and combined with the content of SVG. The use of these contents in web pages can make it easier to process multimedia content, and HTML5 also incorporates other elements to adjust and modify the original functions and standardize them. HTML5 reached a stable version in 2012.

Advantages of HTML5:

a. Network standards are unified, and HTML5 itself is recommended by W3C.

b, multiple devices, cross-platform

c, instant updates.

d. Improve usability and improve user-friendly experience;

e. There are several new tags that will help developers define important content;

f. Can bring more multimedia elements (video and audio) to the site;

g, can be a good substitute for Flash and Silverlight;

h, involves website crawling and When indexed, it is very friendly to SEO;

i, is widely used in mobile applications and games.

Disadvantages of HTML5:

a. Security: There are serious security issues in the previous implementation of web socket and transparent proxy in Firefox 4. At the same time, functions such as web storage and web socket are easily hacked. Use to steal user information and data.

b. Completeness: Many features are supported by different browsers.

c. Technical threshold: While HTML5 simplifies the work of developers, it also means that there are many new attributes and APIs that developers need to learn, such as new features such as web worker, web socket, web storage, background and even browser principles. knowledge, opportunities but also huge challenges

d. Performance: Engine problems on some platforms lead to low performance of HTML5.

e. Browser compatibility: The biggest shortcoming is that browsers below IE9 are almost completely wiped out.

Related recommendations: "html video tutorial"

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