Javascript Basics Cheat Sheet

Javascript Basics Cheat Sheet

Basics Javascript cheat sheet. Beginners week I completed an interview that was chock full of basic Javascript questions. You will learn about JavaScript data types. I thought it would be helpful to create a little JS CheatSheet for all my Junior Web Developers out there who know or are learning Javascript and React. 16 great questions to know for a Junior Web Developer interview.

16 great questions to know for a Junior Web Developer interview

Last week I completed an interview that was chock full of basic Javascript questions. Yes, this was for a Junior Software Engineer position, so of course, the questions tested where my knowledge was at for mostly Javascript and React. Some of the questions they asked weren’t entirely direct, and a strong answer would probably come from an understanding of greater concepts as a whole.

With this being said, I thought it would be helpful to create a little cheat sheet for all my Junior Web Developers out there who know or are learning Javascript and React. These questions are inspired and based on my questions from this recent interview. Without further ado, let’s go to Javascript land and beyond!

1. What is a database?

2. What kind of databases are there?

3. What is SQL?

4. What are SQL joins?

5. What are React components? What types of components are there?

6. What is Redux? Why use it?

7. What are the primitive Javascript data types?

8. What is type-coercion?

9. Is Javascript weakly or strongly typed?

10. Is Javascript blocking(synchronous) or non-blocking(async)?

11. Is Javascript static or dynamic?

12. What is scope?

13. What is scope chaining?

14. What is a callback?

15. What is hoisting?

16. What do you know about React?

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