reduce-intro-one.js

const vetApprovedDogs = [
  {name: 'Snookums', needsShots: false, breed: 'pug', age: 2},
  {name: 'Thor', needsShots: false, breed: 'hound', age: 1},
  {name: 'Wunderbar', needsShots: false, breed: 'pug', age: 9},
]

// I need a little more practice with map! 
const allDogsAges = vetApprovedDogs.map(dog => dog.age)

console.log(allDogsAges) // [2, 1, 9]

// Next we need to get the total age of the dogs
const totalAgeOfDogs = allDogsAges.myReduce((totalYears, dogAge) => {
  // This return statement adds the current dog's age to a collector
  // of all the previous dogs ages
  return totalYears + dogAge
})

console.log(totalAgeOfDogs) // 12

// Thanks to my trusty Math skills I am able to get the city what it needs!
const averageDogAge = totalAgeOfDogs / vetApprovedDogs.length 

console.log(averageDogAge) // 3