// scope & scope chain

function a() {
  var myOtherVar = 'inside A'

  b()
}

function b() {
  var myVar = 'inside B'

  console.log('myOtherVar:', myOtherVar)

  function c() {
    console.log('myVar:', myVar)
  }

  c()
}

var myOtherVar = 'global otherVar'
var myVar = 'global myVar'
a()