Создание веб-проигрывателя курса

E-learning platforms rely on intuitive, seamless interfaces to keep students engaged. Building a custom course player is the perfect way to master modern frontend development while creating a highly practical portfolio project. In this text-based course, you will transition from basic web layout concepts to constructing a fully functional, state-driven course player interface. You will learn to manage content navigation, track progress, and build interactive components without relying on heavy frameworks. What you'll learn: - Understand the core architecture and layout of modern e-learning interfaces - Create responsive, mobile-first layouts using CSS Grid and Flexbox - Manage application state to track lesson progress and completion status - Implement accessible navigation controls using semantic HTML and basic ARIA roles - Build interactive sidebar menus and content switchers with JavaScript - Apply clean code organization and modern vanilla JavaScript practices. The journey begins with foundational design definitions and UI wireframing concepts, moving step-by-step through structural markup, styling, and dynamic interactions. You will study complete code snippets and logical breakdowns to understand how each component functions. This course is designed for beginner developers, aspiring UI engineers, and self-taught programmers who want to apply their HTML, CSS, and basic JavaScript skills to a real-world project. No prior experience with advanced frameworks is required. Start reading today and build a professional-grade course player interface from the ground up.