JavaScript

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JavaScript

JavaScript is a text-based programming language that allows developers to create dynamic and interactive web applications by adding functionality to web pages. It’s primarily used to handle client-side scripting, such as manipulating the DOM, handling user input, and responding to events.

What does JavaScript mean?

JavaScript is a dynamic, interpreted programming language that is used to create Interactive and dynamic web pages. It is a client-side scripting language, which means that it runs on the user’s computer or mobile device and not on the server. JavaScript is used to manipulate the DOM (Document Object Model) and to Add interactivity to web pages. It can be used to create effects such as pop-ups, rollovers, and dynamic menus. JavaScript is also used to validate form data and to create animations.

JavaScript is a very versatile language and can be used for a wide variety of purposes. It is used in web development, game development, and mobile app development. It is also used in desktop applications and in embedded systems. JavaScript is a very popular language and is supported by all major browsers.

Applications

JavaScript is used in a wide variety of applications, including:

  • Web development: JavaScript is used to create interactive and dynamic web pages. It is used to add effects such as pop-ups, rollovers, and dynamic menus. JavaScript is also used to validate form data and to create animations.
  • Game development: JavaScript is used to create games for the web, mobile devices, and desktop computers. JavaScript is used to create the game’s logic, graphics, and sound.
  • Mobile app development: JavaScript is used to create mobile apps for iOS and Android devices. JavaScript is used to create the app’s user interface and to handle the app’s logic.
  • Desktop applications: JavaScript is used to create desktop applications for Windows, macOS, and Linux. JavaScript is used to create the application’s user interface and to handle the application’s logic.
  • Embedded systems: JavaScript is used to create embedded systems for devices such as smart TVs, smart watches, and smart cars. JavaScript is used to create the device’s user interface and to handle the device’s logic.

History

JavaScript was created by Brendan Eich in 1995 while he was working at Netscape. Eich was tasked with creating a new scripting language for Netscape’s web browser, Navigator. Eich based JavaScript on the Java programming language, but simplified it to make it easier to use for web developers.

JavaScript was initially named Mocha, but was later renamed to LiveScript. In 1995, Netscape released JavaScript as part of Navigator 2.0. JavaScript quickly became popular and was soon adopted by other web browsers, including Internet Explorer.

In 1997, the European Computer Manufacturers Association (ECMA) published a standard for JavaScript. The ECMA standard for JavaScript is known as ECMAScript. ECMAScript is now the official standard for JavaScript.

JavaScript has continued to evolve over the years. In 2009, the ECMAScript 5 standard was published. ECMAScript 5 added new features to JavaScript, such as strict mode and the JSON.stringify() and JSON.parse() methods.

In 2015, the ECMAScript 6 standard was published. ECMAScript 6 added significant new features to JavaScript, such as Arrow functions, classes, and modules.

JavaScript is still evolving today. The ECMAScript 7 standard is currently in development and is expected to be published in 2023. ECMAScript 7 will add new features to JavaScript, such as dynamic imports and decorators.

JavaScript is a powerful and versatile programming language that is used in a wide variety of applications. It is a key technology in the modern web and is used to create interactive and dynamic web pages, games, mobile apps, desktop applications, and embedded systems.