Is there a difference between js and javascript?

There is no difference between js and javascript. js is the abbreviation of javascript; it is a high-level, interpreted programming language. js is a network scripting language that has been widely used in web application development. It is often used to add various dynamic functions to web pages to provide users with smoother and more beautiful browsing effects.

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

Javascript (often abbreviated as js) is a high-level, interpreted programming language; it is a prototype-based, function-first language, a multi-paradigm language, and it supports Object-oriented programming, imperative programming, and functional programming.

javascript consists of three parts:

• ECMAScript: describes the syntax and basic objects of the language;

• Document Object Model (DOM)): describes methods and interfaces for processing web page content;
  

• Browser Object Model (Browser Object Model, BOM for short)): Describes the methods and interfaces for interacting with the browser.

JavaScript is one of the core technologies of the World Wide Web in addition to HTML and CSS. JavaScript powers interactive web pages and is an important part of web applications. The vast majority of websites use it, and major web browsers have dedicated JavaScript engines to execute it.

JavaScript is a network scripting language that has been widely used in Web application development. It is often used to add various dynamic functions to web pages to provide users with smoother and more beautiful browsing effects.

What can javascript do?

• Make the web page interactive, such as responding to user clicks and providing users with a better experience

• Can process forms, check 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.

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

• Set cookies. Cookies are some temporary information stored on the browser, such as the website address you have visited and the user name you have used

• JavaScript simplifies regularly repeated HTML paragraphs and reduces download time.

• The browser communicates data with the server, such as the most popular Ajax asynchronous transmission;

• For a richer interface, JavaScript can be used to Includes items like drag-and-drop components and sliders to provide a rich interface to your site visitors.

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

[Recommended learning: javascript advanced tutorial]

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