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![Joshua Igwe](https://secure.gravatar.com/avatar/49f84f220415e428e2f93a2fe7723b4d?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Joshua Igwe
Front End Web Development Techdegree Student 10,329 PointsI am having an issue with this question. I am mapping over each object and selecting the hobby array.
I am having an issue with this question. I am mapping over each object and selecting the hobby array. After creating this array of arrays, I am using the reduce function as outlined in the lecture. I am getting an error saying my placeholder for the nested array is not iterable.
const customers = [
{
name: "Tyrone",
personal: {
age: 33,
hobbies: ["Bicycling", "Camping"]
}
},
{
name: "Elizabeth",
personal: {
age: 25,
hobbies: ["Guitar", "Reading", "Gardening"]
}
},
{
name: "Penny",
personal: {
age: 36,
hobbies: ["Comics", "Chess", "Legos"]
}
}
];
let hobbies;
// hobbies should be: ["Bicycling", "Camping", "Guitar", "Reading", "Gardening", "Comics", "Chess", "Legos"]
// Write your code below
hobbies = customers.map(obj => obj).reduce((array, hobby) => [...array, ...hobby], []);
1 Answer
![Blake Larson](https://secure.gravatar.com/avatar/97de9cf8da77a26dc66975eb897e4559?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Blake Larson
13,014 PointsClose, but in the reduce function the hobby is not iterable because it's the customer object instead of the hobbies array inside of it.
hobbies = customers.map(obj => obj.personal.hobbies).reduce((array, hobbies) => [...array, ...hobbies], []);
With just reduce
let hobbies = customers.reduce((array, person) => [...array, ...person.personal.hobbies], []);