A JavaScript course covers core concepts like syntax, DOM manipulation, events, functions, objects, and advanced topics such as ES6+, asynchronous programming, and API integration.

Yes, JavaScript is considered beginner-friendly, especially for those with basic knowledge of HTML and CSS.

It typically takes 3-6 months to become proficient in JavaScript, depending on prior experience and practice.

You can build interactive websites, web applications, and browser-based games using JavaScript.