鼠年全馬鐵人挑戰 - 1-4

sampleLet.js

function vipName() {
  let customer = 'Acer'
}
console.log(customer) // 會出現 customer is not defined

function cityName() {
  const city = 'Taipei'
}
console.log(city) // 會出現 city is not defined