Js keywords?

Question

What is the diffrence between the "var" and "let" keywords
because it seems that they do the same thing.

Answer 1

https://www.sololearn.com/learn/JavaScript/1128/?ref=app

" let allows you to declare variables that are limited in scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which defines a variable globally, or locally to an entire function regardless of block scope."

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

(syntax and examples included in above link)

Answer 2

may this will help you
https://youtu.be/RZwUrFRalgs

Answer 3

We have ES6 course right here in Sololearn
https://www.sololearn.com/learn/406/?ref=app