The full name of js is javascript. JavaScript is a literal scripting language. It is a dynamically typed, weakly typed, prototype-based language with built-in support types.

Its interpreter is called the JavaScript engine, which is part of the browser and is widely used in client-side scripting languages. It was first used on HTML (an application under the Standard Universal Markup Language) web page, using To add dynamic functions to HTML web pages.

Extended information:

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. Provide users with a smoother and more beautiful browsing effect.

Usually JavaScript scripts implement their functions by embedding them in HTML.

1. It is an interpreted scripting language (the code is not pre-compiled).

2. Mainly used to add interactive behaviors to HTML (an application under Standard Universal Markup Language) pages.

3. It can be directly embedded into HTML pages, but writing it as a separate js file is conducive to the separation of structure and behavior.

4. Cross-platform feature, with the support of most browsers, it can run on multiple platforms (such as Windows, Linux, Mac, Android, iOS, etc.).

Javascript scripting language, like other languages, has its own basic data types, expressions and arithmetic operators, and the basic program framework of the program.

Javascript provides four basic data types and two special data types for processing data and text. Variables provide a place to store information, and expressions can complete more complex information processing. ?

Reference materials:

Baidu Encyclopedia-javascript