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This article introduces the relevant knowledge of "what is the difference between javascript and html5". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Differences: 1, HTML5 is a markup language, while Javascript is a dynamic scripting and interpretive programming language; 2, HTML5 is used to create the basic structure and display content in the web page, while Javascript is used to define the interactive elements of the web page; 3, compared with JS, HTML5 is more secure and extensible, and so on.

The operating environment of this tutorial: windows7 system, javascript1.8.5&&HTML5 version, Dell G3 computer.

What is html5?

HTML5 is the latest (that is, the fifth and current major version of HTML) and the most enhanced version of HTML for structuring and presenting content on the WWW.

Some of the advantages of HTML5:

HTML5 is very simple and the syntax is clear

It supports multimedia elements

It has the following functions: access to the user's geographic location

It allows client storage to communicate with client server, and so on.

What is javascript?

Javascript is a dynamic scripting and interpretive programming language for building web page behavior. Javascript is a lightweight, prototyped and versatile language.

Javascript is an interpretive high-level programming language with object-oriented functions.

Programs used in the Javascript language are called scripts. They can be written in a HTML page or executed automatically when the page loads. The language is intended to be embedded in Internet Explorer,Netscape and many other Web browsers.

Some of the advantages of Javascript:

It has little interaction with the server.

If the user misses entering some information, it will provide feedback to the user / guest immediately.

It provides the ability to create an interface to increase user interaction

Provide many functions, such as Richer interface, such as slider, drag and drop options, etc.

Browser detection, Cookie, control browser and validation form, etc.

The difference between html5 and javascript

1. HTML5 is the markup language of the network, while Javascript is a dynamic scripting and interpretive programming language.

2. HTML5 is used to create the basic structure and display content in WWW, while Javascript is the basic component of HTML5, and Javascript is used to define the interactive elements of web pages to help attract users.

In a broad sense, HTML5 is synonymous with front-end development discipline, including three important parts: HTML5, CSS3 and JavaScript. It is a general name for applications running on browsers. Such as PC websites, management systems, mobile web applications (WebApps), mixed applications (HybridApps), Wechat official accounts, Mini Program, Mini Game, data visualization and so on.

HTML5 narrow sense refers to HTML version 5 (v5), compared with HTML4, added a lot of new elements (tags) and element attributes, greatly enhanced the semantics and expression of HTML, this part belongs to the page structure of the content, such as media tags video, audio, canvas canvas tags, these three new standards directly K.O flash. In addition, HTML5 adds a lot of API, which lays a solid foundation for mobile APP development, such as optimizing local storage (WebStorage), application offline cache (Application Cache), geolocation (Geolocation), monitoring network status and so on.

The new API in the above HTML5 is called through JavaScript, or it is itself a JavaScript program. Here are some important API:

As can be seen above, the new API of HTML5 is inseparable from JavaScript. JavaScript is the core of front-end development, and only learning HTML5, or only learning HTML5 tags, cannot carry out front-end development, or this is not comprehensive, because HTML5 includes JavaScript Api.

3. Compared to Javascript, HTML5 is more secure and extensible, because the application code will be written on the server side, while the Javascript code will be written in a database called the Ajax application.

4. Javascript is faster than HTML5 because it does not need to communicate with Server and wait for a response from it, while HTML5 needs to communicate and wait for its response.

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