blockScope2.js

function unitedStates(){
  let drinkingAge = 21;
  let state = 'massachusetts';
  
  if(state == 'massachusetts'){
    let closingTime= '2AM';
    console.log(drinkingAge) //21
    console.log(closingTime) // 2AM
  }
  
  if(state == 'newYork'){
    let closingTime= '4AM';
    console.log(closingTime) // 4AM
  }
  
  console.log(closingTime) //undefined
}