What is the abbreviation of JavaScript?

Javascript, referred to as "JS", is a lightweight, interpreted or just-in-time compiled programming language with function priority; it is a high-level scripting language belonging to the Internet and is often used to add various elements to web pages. A variety of dynamic functions provide users with a smoother and more beautiful browsing effect, but server-side programming can also be performed based on Node.js technology.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

JavaScript ("JS" for short) is a lightweight, interpreted or just-in-time compiled programming language with function priority. JavaScript is a dynamic scripting language based on prototype programming, multi-paradigm, and supports object-oriented, imperative and declarative (such as functional programming) styles.

Language composition

• ECMAScript describes the syntax and basic objects of the language.

• Document Object Model (DOM) describes the methods and interfaces for processing web content.

• Browser Object Model (BOM) describes the methods and interfaces for interacting with the browser.

JavaScript is a high-level scripting language for the Internet. It has been widely used in Web application development. It is often used to add a variety of dynamic functions to web pages to provide users with smoother Beautiful browsing effect. Although it is best known as a scripting language for developing web pages, it is also used in many non-browser environments.

Things that JavaScript can do

1. Make web pages interactive, such as responding to user clicks and providing users with a better experience

2 , can process forms, verify user input, and provide timely feedback to save users time. For example, if the form asks you to enter your email address but you enter a mobile phone number, you should be given a reminder.

3. You can also dynamically create pages based on user operations. For example, when sending an email, add an attachment.

4. Set a cookie. A cookie is some temporary information stored on the browser, such as the website address you have visited and the user name you have used.

5. JavaScript makes it repeat regularly. The HTML paragraphs are simplified to reduce download time.

6. Data communication between the browser and the server, such as the most popular Ajax asynchronous transmission;

7. A richer interface, you can use JavaScript to include drag-and-drop components and sliders. Projects like this in order to provide a rich interface to your site visitors.

8. Server-side programming based on Node.js technology.

For more programming-related knowledge, please visit: Introduction to Programming! !

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