Interview prep

JavaScript Interview Prep: Questions and Answers

A focused frontend interview guide with 300+ questions covering HTML, CSS, modern JavaScript, and live coding tasks.

HTML Interview Questions

Common HTML questions with clear explanations: semantics, accessibility, DOM APIs, web components, ARIA roles, and resource loading.

CSS Interview Questions

CSS questions on Flexbox, Grid, animations, specificity, responsive layouts, methodologies, and preprocessors.

JavaScript Questions and Answers

Deep JavaScript topics: closures, prototypes, async code, Promises, async/await, API work, debounce/throttle, and design patterns.

Live Coding Challenges

Practical JavaScript exercises for algorithms, DOM work, performance, pagination, comment trees, and search debounce.