allowedToDrink will be the list of people who are older than 21.
const allowedToDrink = people.filter(person =>{
return person.age >= 21;
});
// in one line:
// const allowedToDrink = people.filter(person => person.age >= 21);
console.log(allowedToDrink);
// [ { name: 'Candice', age: 25 },
// { name: 'Tammy', age: 30 },
// { name: 'Allen', age: 49 },
// { name: 'Nettie', age: 21 } ]
- We will map through the
allowedToDrink and get only their names into a new array.
const namesArrOfAllowedToDrink = allowedToDrink.map(person => {
return person.name
});
// in one line:
// const namesArrOfAllowedToDrink = allowedToDrink.map(person => person.name);
console.log(namesArrOfAllowedToDrink); // [ 'Candice', 'Tammy', 'Allen', 'Nettie' ]