JavaScript is a programming language used to add interactivity and dynamic behavior to websites. It enables developers to create interactive elements, perform calculations, manipulate content, and respond to user actions within webpages.
To understand JavaScript, imagine a static webpage where elements don’t change or respond to user input. JavaScript adds life to that webpage, allowing you to create things like interactive forms, image sliders, real-time updates, and much more.
JavaScript code is executed by web browsers, making it a client-side language. When a webpage loads, the browser reads and interprets the JavaScript code, enabling it to modify the webpage’s content and behavior on the fly.
JavaScript can be used to validate form inputs, display pop-up messages, change the appearance of elements, create animations, fetch data from servers, and enable user interactions like button clicks or form submissions. It is a versatile language that brings websites to life and enhances user experiences.
JavaScript works in conjunction with HTML and CSS, the other two core technologies of the web. HTML defines the structure and content of a webpage, CSS handles the presentation and styling, while JavaScript takes care of the interactivity and dynamic functionality.
JavaScript code is typically embedded directly into HTML files using
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