Category: JavaScript

Capstone: build a complete interactive web app with modular JS, DOM UI, and API/storage.

Debug with breakpoints, logs, and stack traces systematically.

Use Elements, Console, Network, and Sources panels effectively.

Keep UI smooth: debounce events, avoid layout thrash, split code.

Prevent XSS, protect tokens, and validate on the server.

Practice common JS interview topics with concise answers.

Practice with mini-projects: todo app, quiz, weather client, and form wizard.

Adopt ES2015+ features that define modern JavaScript.

Use newer features: optional chaining, nullish coalescing, and more.

Split code into reusable modules with clear exports.