"use strict";

//------------------------------------------------------------------------------

// Block-Scoped Variables

// Block-scoped variables (and constants) without hoisting.

// http://es6-features.org/#BlockScopedVariables

//------------------------------------------------------------------------------

for (let i = 0; i < a.length; i++) {

let x = a[i]

}

for (let i = 0; i < b.length; i++) {

let y = b[i]

}

let callbacks = []

for (let i = 0; i <= 2; i++) {

callbacks[i] = function () { return i * 2 }

}

callbacks[0]() === 0

callbacks[1]() === 2

callbacks[2]() === 4

//------------------------------------------------------------------------------

// Block-Scoped Functions

// Block-scoped function definitions.

// http://es6-features.org/#BlockScopedFunctions

//------------------------------------------------------------------------------

function foo () { return 1 }

foo() === 1

{

function foo () { return 2 }

foo() === 2

}