What does js mean?
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JavaScript (JS for short) is a lightweight, interpretive or just-in-time high-level programming language with function priority. Although it is known as a scripting language for developing Web pages, it is also used in many non-browser environments. JavaScript is based on prototype programming, multi-paradigm dynamic scripting language, and supports object-oriented, imperative, and declarative (such as functional programming) styles.
What does js mean?
JavaScript was first designed and implemented in Netscape Navigator browser by BrendanEich of Netscape in 1995. Because Netscape works with Sun, Netscape management wants it to look like Java, so it is named JavaScript. But in fact, its grammar style is similar to that of Self and Scheme.
The standard of JavaScript is ECMAScript. As of 2012, all browsers fully support ECMAScript5.1, and older browsers support at least the ECMAScript3 standard. On June 17, 2015, ECMA International released the sixth edition of ECMAScript, which is officially called ECMAScript2015, but is often referred to as ECMAScript6 or ES6.
What does the js component mean?
ECMAScript, which describes the language
Javascript composition
Javascript composition
The grammar and basic object of speech.
Document object Model (DOM), which describes the methods and interfaces for dealing with web page content.
Browser object Model (BOM), which describes the methods and interfaces for interacting with browsers.
Basic feature editor
JavaScript is a high-level scripting language belonging to the network, which has been widely used in Web application development. It is often used to add a variety of dynamic functions to web pages and provide users with a more smooth and beautiful browsing effect. Usually JavaScript scripts implement their own functions by embedding them in HTML.
Is an interpretive scripting language (the code is not precompiled).
Mainly used to add interactive behavior to HTML (an application under the standard general markup language) page.
You can embed a HTML page directly, but writing it as a separate js file facilitates the separation of structure and behavior.
Cross-platform feature, supported by most browsers, can run on a variety of platforms (such as Windows, Linux, Mac, Android, iOS, etc.).
Like other languages, Javascript scripting language has its own basic data types, expressions and arithmetic operators, and a basic programming framework for programs. Javascript provides four basic data types and two special data types for processing data and text. While variables provide a place to store information, expressions can complete more complex information processing.
It can realize the human-computer interaction of web page.
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