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JavaScriptReactSystem DesignTypeScript
Prepare for frontend developer interviews. Practice real questions covering HTML, CSS, JavaScript, React, and system design with detailed answers.
Frontend Interview Questions
Comprehensive guide to ace your frontend developer interviews. Master HTML, CSS, JavaScript, React, TypeScript, performance optimization, security, and system design with real interview questions and answers.
15
Topics
150+
Questions
~2 hrs
Total Reading
🎯 What You'll Prepare For
- ✓ Technical Questions: HTML, CSS, JavaScript, React, TypeScript
- ✓ Coding Challenges: Common patterns and problem-solving
- ✓ System Design: Architecting scalable frontend applications
- ✓ Performance: Optimization techniques and best practices
- ✓ Security: XSS, CSRF, authentication, and web security
- ✓ Best Practices: Accessibility, testing, and modern workflows
Interview Topics
15 Topics
📄
Topic 1
Beginner
HTML Interview Questions
Common HTML questions asked in frontend interviews
8 min readInterview Prep
🎨
Topic 2
Intermediate
CSS Interview Questions
CSS concepts, Flexbox, Grid, and responsive design questions
12 min readInterview Prep
⚡
Topic 3
Intermediate
JavaScript Interview Questions
Core JavaScript concepts, ES6+, and common interview questions
15 min readInterview Prep
⚛️
Topic 4
Intermediate
React Interview Questions
React hooks, components, lifecycle, and best practices
14 min readInterview Prep
📘
Topic 5
Intermediate
TypeScript Interview Questions
TypeScript types, interfaces, generics, and advanced concepts
13 min readInterview Prep
🚀
Topic 6
Advanced
Web Performance
Performance optimization, metrics, and best practices
12 min readInterview Prep
🌐
Topic 7
Intermediate
Browser & DOM APIs
DOM manipulation, browser APIs, and web storage
6 min readInterview Prep
♿
Topic 8
Intermediate
Web Accessibility (a11y)
ARIA, semantic HTML, and accessibility best practices
5 min readInterview Prep
🧪
Topic 9
Intermediate
Testing & Debugging
Unit testing, integration testing, and debugging techniques
6 min readInterview Prep
🔧
Topic 10
Intermediate
Build Tools & Bundlers
Webpack, Vite, npm, and modern build tools
5 min readInterview Prep
📚
Topic 11
Beginner
Git & Version Control
Git commands, workflows, and best practices
5 min readInterview Prep
🔄
Topic 12
Intermediate
State Management
Redux, Context API, and state management patterns
6 min readInterview Prep
🔒
Topic 13
Advanced
Web Security
XSS, CSRF, authentication, and security best practices
6 min readInterview Prep
🏗️
Topic 14
Advanced
Design Patterns
Common design patterns in frontend development
6 min readInterview Prep
📐
Topic 15
Advanced
Frontend System Design
Architecting scalable frontend applications
7 min readInterview Prep
💡 Interview Success Tips
- 🎯 Practice: Code regularly and solve real problems
- 💬 Communicate: Explain your thinking process clearly
- 📚 Study Fundamentals: Strong basics are crucial
- 🔍 Ask Questions: Clarify requirements before coding
- ⚡ Optimize: Discuss time/space complexity
- 🧪 Test: Consider edge cases and test your code