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The JavaScript Interview Handbook: 100+ Interview Questions - AI-Powered Course
4.4
Intermediate
10h
Updated 1 month ago
The JavaScript Interview Handbook: 100+ Interview Questions
The ultimate guide to JavaScript interviews. Developed by FAANG engineers, practice with real-world interview questions, gain confidence, and get interview-ready in just a few hours.
Join 2.8M developers at
Overview
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Preparing for coding interviews can be a long, arduous process. Many developers will tell you they spend countless hours grinding through hundreds of coding questions in order to feel confident. This course will help simplify the grind by showing you what topics to spend your time on and what questions you can expect within those topic areas.
In this course you will focus on the fundamental concepts of JavaScript that interviewers expect you to know. You’ll practice interview questions related to: JS language basics, type coercion, event handling, asynchronous callbacks, and more.
Throughout the course, you will gain hands-on experience through quizzes and challenges that will thoroughly test your understanding of the subject. Each question is accompanied by a detailed explanation of the solution that will further solidify your learnings. By the end of this course, you will have the confidence to go into an interview and answer any question that comes your way.
Preparing for coding interviews can be a long, arduous process. Many developers will tell you they spend countless hours grindin...Show More
Content
151 Lessons61 Quizzes37 Challenges
1.
Introduction
2 Lessons
Get familiar with essential JavaScript concepts to ace frontend interviews.
2.
Language Basics
38 Lessons
Discover the logic behind JavaScript basics, including hoisting, closures, scope, and array manipulation.
Quiz: HoistingSolution Review: HoistingChallenge: Create an AmountSolution Review: Create an AmountChallenge: Check ParenthesesSolution Review: Check ParenthesesQuiz 1: Arrow FunctionsSolution Review: Arrow FunctionsQuiz 2: Arrow FunctionsSolution Review: Arrow FunctionsChallenge: Where to InsertSolution Review: Where to InsertQuiz: Call, Apply, BindSolution Review: Call, Apply, BindQuiz 1: ClosureSolution Review: ClosureJavaScript Execution: Call Stack & Event LoopImmediately Invoked Function Expressions (IIFE)Quiz: Closure, `setTimeout`, ScopesSolution Review: Closure, `setTimeout`, ScopesQuiz: Closure, `setTimeout`, IIFESolution Review: Closure, `setTimeout`, IIFEChallenge: Create Phone NumberSolution Review: Create Phone NumberChallenge: Insert ElementsSolution Review: Insert ElementsChallenge: Bind FunctionSolution Review: Bind FunctionQuiz: Rest & Spread SyntaxSolution Review: Rest & Spread SyntaxChallenge: DestructuringSolution Review: DestructuringChallenge: Array DestructuringSolution Review: Array DestructuringChallenge: Return the CatSolution Review: Return the CatChallenge: Destructure UndefinedSolution Review: Destructure Undefined
3.
Type coercion
20 Lessons
Break apart type coercion concepts using "typeof", "instanceof", prototypes, validation, and inheritance in JavaScript.
4.
Event Handling
8 Lessons
Break down complex ideas in JavaScript event handling concepts and their interview applications.
5.
Asynchronous Callbacks
16 Lessons
Map out the steps for understanding and solving asynchronous programming challenges with callbacks, promises, and async/await.
6.
OOP in JavaScript
22 Lessons
Focus on understanding OOP in JavaScript through quizzes, challenges, and solution reviews.
7.
Functional Programming
25 Lessons
Master functional programming concepts through practical quizzes, challenges, and in-depth solution reviews.
8.
Security
6 Lessons
Step through key JavaScript security concepts such as same-origin policy, strict mode, and object manipulation protections.
9.
DOM and Web Browser
14 Lessons
Walk through various DOM manipulation techniques and problem-solving challenges with hands-on JavaScript tasks.
Certificate of Completion
Showcase your accomplishment by sharing your certificate of completion.
Developed by MAANG Engineers
Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.
Trusted by 2.8 million developers working at companies
"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"
Anthony Walker
@_webarchitect_
"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"
Evan Dunbar
ML Engineer
"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."
Software Developer
Carlos Matias La Borde
"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"
Souvik Kundu
Front-end Developer
"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."
Vinay Krishnaiah
Software Developer
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