Do you know what will be the output of this code? let x = 1; { let x = 2; } console.log(x);

Does let have block scope in JavaScript?

Do you know what will be the output of this code?

JavaScript

let x = 1;
{
  let x = 2;
}
console.log(x);

Show answer and explanation

The answer is 1.

let is scoped to the nearest block. The inner x is a different variable that shadows the outer one only inside the braces.