Lesson overview · Free interview practice

Frontend Interviews

Practice common frontend interview questions.

Topics in the full lesson
  • Introduction to Coding Interviews
  • Understanding Algorithmic Problems
  • Problem-Solving Strategies
  • Common Algorithmic Concepts
  • Big O Notation and Time Complexity
  • Whiteboard Coding Tips
  • Practicing Coding Problems
  • Best Practices for Coding Interviews
  • Exercises

Try the free interview questions

Work through a question before revealing its explanation. These questions and answers are free; Premium adds the full lesson walkthrough, examples and implementation detail.

TheoryEasy

Frontend Behavioral Questions: The Three Story Types

Question

What are the frontend-specific behavioral story types, and how do you structure them with STAR?

Take a moment to think about this before revealing the answer

Explain your reasoning or try an implementation before comparing answers.

TheoryMedium

Live-Coding a React Component: What Interviewers Watch For

Question

In a React live-coding round, what do interviewers look for, and what gets you dinged?

Take a moment to think about this before revealing the answer

Explain your reasoning or try an implementation before comparing answers.

TheoryMedium

JavaScript Implementation Challenges Catalog

Question

What are the canonical JS implementation challenges interviewers ask, and what is the reference implementation for each?

Take a moment to think about this before revealing the answer

Explain your reasoning or try an implementation before comparing answers.

TheoryMedium

The Five Frontend Interview Formats

Question

What are the five formats of a modern frontend interview, and what does each one test for?

Take a moment to think about this before revealing the answer

Explain your reasoning or try an implementation before comparing answers.

TheoryHard

Frontend System Design: The 6-Step Framework

Question

What is the canonical framework for a frontend system-design interview, and how do you apply it?

Take a moment to think about this before revealing the answer

Explain your reasoning or try an implementation before comparing answers.

Explore the full Frontend Interviews material

Premium includes the complete lessons and implementation references. Free practice questions remain available without a subscription.

All course tracks & premium content
From basics to advanced masterclasses
Built for JS/TS developers like you
Real-world tips & common pitfalls
Upgrade to Premium