What does javascript read?

The British pronunciation of JavaScript is "ˈdʒɑːvəskrɪpt", and the American pronunciation is "ˈdʒɑvəˌskrɪpt"; it is a lightweight, interpreted or just-in-time compiled programming language with function priority, commonly used to add web pages A variety of dynamic functions 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 ("JS" for short) is currently the most popular and widely used client-side scripting language. It is used to add some dynamic effects and interactive functions to web pages and plays a decisive role in the field of web development.

JavaScript is a lightweight, interpreted or just-in-time compiled programming language with function precedence. Although it is famous as a scripting language for developing Web pages, it is also used in many non-browser environments. JavaScript is based on prototype programming, a multi-paradigm dynamic scripting language, and supports object-oriented, imperative, declarative, and functional programming paradigm.

JavaScript was first designed and implemented on the Netscape Navigator browser in 1995 by Brendan Eich of Netscape. Because Netscape was working with Sun, Netscape management wanted it to look like Java, hence the name JavaScript. But in fact its grammatical style is closer to Self and Scheme.

JavaScript is a high-level scripting language that belongs to the Internet. It has been widely used in Web application development. It is often used to add various dynamic functions to web pages and provide users with smoother and more beautiful browsing effects. Usually JavaScript scripts realize their functions by embedding them in HTML.

Complete JavaScript is composed of the following three parts:

• Core (ECMAScript): Provides the syntax and basic objects of the language;

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

• Browser Object Model (BOM): Provides methods and interfaces for interacting with browsers .

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