The Complete React Developer Course (with Hooks and Redux) - ES6 Aside: const and let

The video tutorial explores ES6 let and const variables as alternatives to var in JavaScript. It explains the quirks of var, such as reassigning and redefining variables, and introduces let and const for better scoping and immutability. The tutorial covers the creation, usage, and scoping differences of these variables, emphasizing best practices for using let and const in programming.

What are the main differences between VAR, LET, and CONST in JavaScript?

Why is it recommended to avoid using VAR in modern JavaScript development?

Explain the concept of scoping in relation to VAR, LET, and CONST.

What happens if you try to redefine a variable declared with LET or CONST?

How can you create a variable that is block-scoped in JavaScript?

Describe a situation where using CONST would be more appropriate than using LET.

What is the significance of using the playground folder mentioned in the text?

How does the use of console.log help in understanding variable assignments?

What are the potential issues that can arise from using VAR based variables?

In what scenarios would you prefer to use LET over CONST?