solution.hide.js

var person = {
    name: "John",                //String
    lastName: "Doe",
    age: 35,                     //Number
    gender: "male",
    luckyNumbers: [7, 11, 13, 17], //Array
    significantOther: person2   //Object, yes, the same variable/object defined after
};

var person2 = {
    name: "Jane",
    lastName: "Doe",
    age: 38,
    gender: "female",
    luckyNumbers: [2, 4, 6, 8],
    significantOther: person
};

var person3 = {
    name: 'Jimmy',
    lastName: 'Doe',
    age: 13,
    gender: "male",
    luckyNumbers: [1, 2, 3, 4],
    significantOther: null
}

var family = {
    lastName: "Doe",
    members: [person, person2, person3]   //Array of objects, don't forget to add Jimmy
};


function addAllFamilyLuckyNumbers(anArray) {
    let sumOfAllLuckyNumbers = 0; //sumOfAllLuckyNumbers is a number, the sum of all lucky numbers.
    for (let i = 0; i < anArray.length; i++) {
        for (let x = 0; x < anArray[i].luckyNumbers.length; x++) {
            sumOfAllLuckyNumbers += anArray[i].luckyNumbers[x];
        }
    }
    //To-Do: loop and add; consider nested loops
    //Hint: use the anArray variable to get all of the lucky numbers

    return sumOfAllLuckyNumbers;
}

//Enter all your code here:
person.luckyNumbers[3] = 33;


//Do not make changes below:
console.log(addAllFamilyLuckyNumbers(family.members));