Let example (scope)

let.js

let x = 1
var y = 1

console.log("\nInitial Values")
console.log("x: ", x)
console.log("y: ", y)
/* OUTPUT:
  * x: 2
  * y: 2
  */


if (x === 1 && y === 1) {
  let x = 2
  var y = 2
  console.log("\nInside scope")
  console.log("x: ", x)
  console.log("y: ", y)
  /* OUTPUT:
   * x: 2
   * y: 2
   */
}
console.log("\nOutside scope")
console.log("x: ", x)
console.log("y: ", y)
  /* OUTPUT:
   * x: 1
   * y: 2
   */