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When was JavaScript born?

藏色散人
Release: 2020-04-27 16:33:25
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When was JavaScript born?

When was JavaScript born?

JavaScript ("JS" for short) is a lightweight, interpreted or just-in-time compiled programming language with function priority. 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 and declarative ( such as functional programming) style.

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.

The standard for JavaScript is ECMAScript. As of 2012, all browsers fully support ECMAScript 5.1, and older browsers support at least the ECMAScript 3 standard. On June 17, 2015, ECMA International released the sixth edition of ECMAScript, which is officially called ECMAScript 2015, but is often called ECMAScript 6 or ES6.

Recommended: "javascript Advanced Tutorial"

Basic Features

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

is an interpreted scripting language (the code is not precompiled).

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

Can be directly embedded in HTML pages, but writing it as a separate js file is beneficial to the separation of structure and behavior.

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.

Can realize human-computer interaction on web pages.

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