What is JavaScript?

JavaScript – a scripting language that allows creating interactive web pages. It is used to create dynamic and responsive website interfaces so that users can interact with them in real-time.

JavaScript offers developers the ability to modify content, validate forms, animate images, and respond to user actions like button clicks or keystrokes. It also enables web developers to build complex applications by using libraries or frameworks such as AngularJS, ReactJS or VueJS.

To sum up, JavaScript is a programming language used for developing dynamically interactive websites that allow users to interact with the interface of the application in real-time.