Meaning of JavaScript

Simple definition

JavaScript is a programming language that makes web pages interactive. It runs directly in the browser to respond to user actions and can also power features on the server side.

How to use JavaScript in a professional context

JavaScript is essential in web development, allowing professionals to create dynamic websites and applications. It’s widely used with libraries and frameworks like React and Angular.

Concrete example of JavaScript

On a social media website, JavaScript updates the “like” counter immediately when a user clicks the like button, without needing to refresh the page.