JS Interview - Variable Scope - Question 28

This episode covers the idea of variable scope and whether that can be affected by IIFEs or try catch blocks.

[abderehmen]

thank you for your effort, i appreciate your energy that you are putting to make this amazing videos to help people succeed in their careers

[paulamg]

I thought that if let was never initialized, it would throw a Reference error? So why does 'one' return undefined?

[bikramchettri]

Thanks for the tutorial can you also add some algorithm question?

[jayantsharma]

Why the second one logs to undefined even you have changed its value to 123 in catch block