What is the difference between var and const in JavaScript

Question

var and const is the same.

Answer 1

Const is used to declare a constant => you can't change it after assigning a value. You can read more here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const and here https://dev.to/sarah_chima/var-let-and-const--whats-the-difference-69e.

Answer 2

var is a function scope ,but const is block scope

like a

if(...){
const x=0;
}

console.log(x);

out if scope x is not visible