📄️How the Web Works
A website is a set of files (HTML, CSS, JavaScript, images) delivered by a server to a browser over HTTP.
📄️HTML Essentials
HTML describes the meaning and structure of content using elements made of tags and attributes.
📄️CSS: Styling and Layout
CSS: Styling and Layout: a PrepVerse web dev lesson with explanations, examples and practice tips.
📄️JavaScript Fundamentals
JavaScript is the programming language of the web; it also runs on servers with Node.js.
📄️The DOM and Events
The Document Object Model (DOM) is the tree of objects the browser builds from your HTML. JavaScript reads and changes it.
📄️Asynchronous JavaScript and Fetch
JavaScript runs on a single thread. Slow work (network, timers) is asynchronous: it is started, and its callback runs later via the event loop.
📄️Performance, Accessibility and Tooling
Test with the keyboard, a screen reader, and tools such as Lighthouse and axe.