fun-fun-function-map-2

map1.js

// we want to filter out all names

var animals = [
  { name: 'fluffykins', species: 'rabbit' },
  { name: 'caro', species: 'dog' },
  { name: 'jimmy', species: 'fish' },
  { name: 'ursula', species: 'cat' },
  { name: 'hamilton', species: 'dog' }
]

// functional way using map - but we can also retun a modified object
// using  + ' is a' + animal.species for example
var names = animals.map(function(animal) {
  return animal.name
})

// there is a shorter syntax called arrow functions
var names2 = animals.map((animal) => animal.name)

console.log(names2)


/* 
var names = []
for (var i = 0; i < animals.length; i++) {
  names.push(animals[i].name)
}

*/