Preact Interview Questions
Check out 30 of the most common Preact interview questions and take an AI-powered practice interview
What is Preact and how does it work?
How do you create components in Preact?
What is the virtual DOM in Preact?
How do you handle events in Preact?
What are props and how do you use them in Preact?
How do you manage state in Preact components?
What is the component lifecycle in Preact?
How do you style components in Preact?
What are hooks/directives in Preact?
How do you handle forms in Preact?
What is conditional rendering in Preact?
How do you work with lists and keys in Preact?
How do you manage globalThis state in Preact?
What is routing in Preact applications?
How do you optimize Preact performance?
What is server-side rendering in Preact?
How do you handle API calls in Preact?
What is code splitting in Preact?
How do you test Preact applications?
What are custom hooks/directives in Preact?
How do you handle authentication in Preact?
What is lazy loading in Preact?
How do you manage side effects in Preact?
What are performance optimization techniques in Preact?
How do you handle error boundaries in Preact?
How do you implement micro-frontends with Preact?
What are advanced performance patterns in Preact?
How do you handle complex state machines in Preact?
What is the internal architecture of Preact?
How do you build custom renderers in Preact?
Frequently Asked Questions
What is Preact used for?
Preact is widely used for building modern, interactive user interfaces and single-page applications. It's valued for its performance, reliability, and extensive ecosystem.
How long does it take to learn Preact?
Learning Preact basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.
What are the job prospects for Preact developers?
Preact developers are in high demand across industries. With strong Preact skills, you can pursue roles in frontend development, UI/UX engineering, with competitive salaries ranging from ₹6-18 LPA.
What prerequisites are needed for learning Preact?
HTML, CSS, and JavaScript fundamentals are helpful prerequisites for learning Preact.
Which companies use Preact?
Major companies using Preact include Google, Amazon, Microsoft, Meta, Netflix, and many more. Preact is adopted across startups to enterprise organizations.
Introduction
Preparing for a Preact frontend developer interview? Preact has become essential for building modern, interactive web applications that users love.
Preact is widely adopted by companies building scalable, performant user interfaces. Understanding its core concepts, patterns, and best practices is key to landing your dream frontend role.
We've compiled the most frequently asked Preact interview questions, covering component architecture, state management, performance optimization, and more.
Whether you're a beginner or experienced developer, this guide will help you master Preact interview questions and showcase your frontend expertise.
