What is JavaScript  - SSTTEK Academy


JavaScript is a programming language that runs in web browsers and is used to add interactive and dynamic features to web pages. JavaScript can be used to perform functions such as user interactions (e.g., button clicks, form submissions), animations, data validation, dynamic content loading, and many other tasks. 

JavaScript is part of the web development trio along with HTML and CSS, and it can run directly in modern web browsers. To add JavaScript code to a web page, <script> tags are used, or external JavaScript files are linked. 

JavaScript is an object-based programming language and has a structure similar to many other programming languages. It includes variables, functions, conditional statements, loops, and other fundamental programming constructs. Additionally, JavaScript offers a set of built-in objects and functions that can be used to interact with web pages and perform specific tasks. 

The uses of JavaScript include: 

Making websites and web applications dynamic: JavaScript can be used to create animations, interactive elements, and games on web pages. 

Providing user interaction: JavaScript can be used to interact with users through forms, dropdown menus, and other interactive elements. 

Enhancing the functionality of web pages: JavaScript can make web pages more functional and user-friendly. For example, JavaScript can be used to dynamically load data from a server using AJAX. 

Developing mobile applications: JavaScript can be used to develop mobile applications using frameworks like React Native and Cordova. 

Developing games: JavaScript can be used to develop 2D and 3D games using the HTML5 Canvas API. 

Server-side programming: JavaScript can also be used for server-side programming with environments like Node.js. 

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