Let or var in JavaScript?

Question

This is my question.

Answer 1

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let

Answer 2

For most of the cases... use "let" and "const".

https://medium.com/javascript-scene/javascript-es6-var-let-or-const-ba58b8dcde75

Answer 3

Thanks