If you want to be well prepared for an interview I recommend to check links below. You can find there many exercises that check your knowledge about theoritical and practise aspects of JavaScript:
-
37 Essential JavaScript Interview Questions with anwsers
https://www.toptal.com/javascript/interview-questions -
Front-end Job Interview Questions and Answers - exercises split into 9 categories. Great site!
https://github.com/utatti/Front-end-Developer-Interview-Questions-And-Answers -
50 Web Developer Interview Questions To Get A Quick Breakthrough - questions are simple but worth to check out
https://www.techbeamers.com/top-web-developer-interview-questions/ -
Interview Questions for front-end-Developer - exercises split into categories. This site is amazing and worth to check!
http://www.thatjsdude.com/interview/ -
,,In this article, we'll address concepts that are crucial to understanding functional programming, reactive programming, and functional reactive programming and their use with JavaScript.'' - nothing more to add
https://auth0.com/blog/glossary-of-modern-javascript-concepts/ -
Big O notation is used in Computer Science to describe the performance or complexity of an algorithm - read more about in article below
https://rob-bell.net/2009/06/a-beginners-guide-to-big-o-notation/ -
https://github.com/30-seconds/30-seconds-of-code - You can find amazing js tricks for everyday work.
In this repository you can find most common interview exercises with anwsers, just head to one of the files.
Place don't copy/paste the code but think about it, write pseudo-code, the right code and then check the solution.
High five dev wannabees!