Javascript Interview Questions and Answers - Dominate Your Next Interview

► Full Javascript Interview Prep Course - https://monsterlessons-academy.com/courses?utm_source=youtube&utm_medium=section 🎁 Free PDF: JavaScript Interview Questions → https://monsterlessons-academy.com/newsletter_subscribers/javascript_interview?utm_source=youtube&utm_medium=description_link 🚀 Stuck at mid-level? Here's your roadmap → https://monsterlessons-academy.com/courses/frontend-developer-middle-to-senior-bootcamp?utm_source=youtube&utm_medium=description_link This course is great preparation for any javascript programming interviews that you may have coming up. Programming interviews need a lot amount of knowledge, but the best way to prepare for interviews is a lot of practice! In this course you will complete 59 javascript interview questions that come from real javascript interviews. There are no excersises that nobody asks here. In every question we will get a task first, then you will try to solve each problem yourself, and then I will show you different solutions to each problem step-by-step for different programmer levels. We will take a deep dive into the skills, concepts, and techniques that are required to solve each problem. 🛠 Need a video editor? Contact Ekaterina: [email protected] 📌 Social Twitter: https://twitter.com/monster_lessons Instagram: https://www.instagram.com/monsterlessonsacademy Facebook: https://www.facebook.com/monsterlessonsacademy Linkedin: https://www.linkedin.com/company/monsterlessons-academy Tiktok: https://www.tiktok.com/@monsterlessonsacademy 🕒 TIMESTAMPS 0:00 Introduction 0:32 Types of interviews 2:05 Interview & Work are different 3:09 Mapping users to get usernames 12:55 Null vs undefined 15:32 Hoisting 20:20 Closures 26:29 Currying 39:28 Adding elements to the array 43:27 Concatenating arrays 46:47 Check if user exists 51:17 Duplicates in the array 55:49 Sorting the array 59:58 Interview is not what you think This video is NOT sponsored. Some product links are affiliate links which means if you buy something I'll receive a small commission.