Top 20 FrontEnd Interview Questions 2026 | Front End Developer Interview Questions And Answers 2026

🔥 Full Stack Developer - MERN Stack: https://www.simplilearn.com/full-stac... 🔥 Full Stack Java Developer - https://www.simplilearn.com/java-full... In this video, we’re covering the Top 20 Frontend Developer Interview Questions for 2026! Frontend interviews are getting more competitive, and companies expect you to know JavaScript, React, CSS, and performance optimizations inside out. That’s why we’ve handpicked the most practical, real-world questions that you’ll likely face in 2026! ✅ JavaScript & ES6+ Concepts – Closures, event bubbling, debouncing ✅ React & Frontend Frameworks – Hooks, state management, and optimizations ✅ CSS & Responsive Design – Flexbox, Grid, animations ✅ Coding Challenges – Array manipulation, async handling, and more! We’ll go through each question with a detailed explanation and code example, so by the end, you’ll be fully prepared to crack your next frontend interview! 00:00 Introduction 01:10 Question 1 02:04 Question 2 02:58 Question 3 04:36 Question 4 05:35 Question 5 06:35 Question 6 07:15 Question 7 08:37 Question 8 10:06 Question 9 10:38 Question 10 11:08 Question 11 11:44 Question 12 13:00 Question 13 13:00 Question 14 14:02 Question 15 14:44 Question 16 15:20 Question 17 16:23 Question 18 17:01 Question 19 17:40 Question 20 ✅ Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH #FrontEndDeveloper2025 #FrontEnd #softwaredevelopment #softwareengineer #html #css #js #simplilearn ➡️ About Full Stack Java Developer Program This Java Full Stack Developer course is designed to introduce you to front-end, middleware, and back-end Java web development technologies. You will learn to build an end-to-end application, test and deploy code, store data using MongoDB, and much more. ✅ Key Features Simplilearn's JobAssist helps you get noticed by top hiring companies Kickstart Full Stack Java Developer career with industry-aligned curriculum by experts Hands-on practice through 20+ projects, assessments, and tests Learn cutting edge frameworks like React, Springboot, and many more Live interaction and applied learning with industry expert trainers Practice hands - on learning with Capstone Projects across 4 domains ✅ Skills Covered Agile Git SQL Core Java Spring Spring Boot HTML and CSS AWS Docker Jenkins JavaScript ReactJS Cucumber Maven JSP JDBC MongoDB JUnit ✅ Enroll Now: https://www.simplilearn.com/full-stac...