In this video, we explore one of the important javascript interview questions. We dig into the concept of javascript undefined vs null and take a look at why there are two empty state values in javascript. Check out our other popular videos: 1. Learn about public-key cryptography https://www.youtube.com/watch?v=64DL9BNVwkU 2. maximum substring in a string (Google interview question) https://www.youtube.com/watch?v=IHsX70r-fIQ 3. How the javascript engine works? https://www.youtube.com/watch?v=KM9coMpy5sQ 4. Real time median in a stream, another google interview question https://www.youtube.com/watch?v=1CxyVdA_654 5. Understand the Javascript event loop https://www.youtube.com/watch?v=XzXIMZMN9k4 6. Understand Promises in javascript https://www.youtube.com/watch?v=gV7SaMIFyg8 7. Git basics you must know https://www.youtube.com/watch?v=HDRXwokgWpo #javascript #undefined #null