>> js - Javascript

JavaScript is a programming language that is primarily used in web development. It allows developers to add dynamic behavior to their web pages, making them more interactive and engaging.

Here are some key features of JavaScript:

• Event-driven: JavaScript allows developers to specify actions that should be taken when certain events occur, such as when a user clicks on a button or submits a form.

• Object-oriented: JavaScript is an object-oriented language, which means that developers can create custom objects with their own properties and methods.

• Asynchronous: JavaScript can perform tasks asynchronously, meaning that it can execute code without blocking other parts of the program.

• Browser compatibility: JavaScript is supported by all modern web browsers.

• Libraries and frameworks: There are many libraries and frameworks available for JavaScript that can help developers to build complex web applications more quickly and efficiently. Some popular examples include React, Angular, and Vue.

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Here is an example of how to use JavaScript to create an alert box:

// Create an alert box
alert("Hello, world!");

To learn more about JavaScript, check out some of these resources:

• Mozilla Developer Network
• W3Schools
• JavaScript.info