123 — Introduction to Web Document Structure and Metadata + 5 more topics

When you look at a web page, you're seeing content organized by HTML (HyperText Markup Language). HTML uses elements, which are like building blocks, to define the different parts of a document. Each element usually has an opening tag, some content, and a closing tag, like <p>This is a paragraph.</p>.

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When you're building larger YUI applications, you'll quickly outgrow just using Y.one() and basic events. Advanced module usage and interactivity patterns help you structure your code for maintainability and scalability.

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When Moodle renders a page, it often needs to tell your browser's JavaScript about certain things. This is where M.cfg comes in. M.cfg is a global JavaScript object available on almost every Moodle page. The server fills it with useful information like the current user ID, session key, AJAX URLs, and most importantly, details about the current context.

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