Although variables are as old as programming itself, they’re still a key concept in modern JavaScript. To start, consider that we prefer const over let in JavaScript programming. Why is that?

git clone [email protected]:the-road-to-javascript/const-let-var-difference.git cd const-let-var-difference npm install npm start ...

const is used to declare block scoped variables and cannot be reassigned to new value. const does not automatically initialized accessing before it throws reference ...