Frontend Developer Interview Questions
Practice frontend developer interview questions covering HTML, CSS, JavaScript, React, and modern web development best practices.
Top 10 Frontend Developer Interview Questions
- Explain the difference between var, let, and const in JavaScript.
- How does the virtual DOM work in React?
- What are CSS Flexbox and Grid, and when would you use each?
- Explain event delegation in JavaScript.
- How do you optimize website performance?
- What is the difference between server-side rendering and client-side rendering?
- Describe the CSS box model.
- How do you handle state management in large React applications?
- What are Web Accessibility (a11y) best practices?
- Explain the concept of closures in JavaScript.
Tips for Your Frontend Developer Interview
- Build a portfolio of projects showcasing your frontend skills
- Practice implementing UI components from scratch
- Know the fundamentals of HTML, CSS, and JavaScript deeply
- Be ready to discuss performance optimization techniques