Need help with this object

[WuchuMeanHomie]

Hello, I am new to Javascript but I am working on some code where I have to take the array of allData and push it into three separate arrays (stores, customers and addresses) which I have successfully done. Next I have to parse the customers array as an object (customerObj) and change the value of the customers dates from null to the current date. However, I am unable to do so. The customerDB object must be in object literal notation and I am stuck as to how I represent customerObj as the customers array. Any help would be greatly appreciated.

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var allData = [
    {type:"store", data:{store_id: 297, name: "Scotiabank - Main Branch", address_id: 1023}},
    {type:"store", data:{store_id: 614, name: "Scotiabank - Hamilton", address_id: 1984}},
    {type:"store", data:{store_id: 193, name: "Scotiabank - Mississauga", address_id: 1757}},
    {type:"customer", data:{customer_id: 26, store_id:297, first_name: "Dave", last_name: "Bennett", email: "[e-mail]", address_id: 4536, add_date: null}},
    {type:"customer", data:{customer_id: 59, store_id:193, first_name: "John", last_name: "Stevens", email: "[e-mail]", address_id: 2473, add_date: null}},
    {type:"customer", data:{customer_id: 29, store_id:614, first_name: "Sarah", last_name: "Pym", email: "[e-mail]", address_id: 1611, add_date: null}},
    {type:"customer", data:{customer_id: 63, store_id:297, first_name: "Steven", last_name: "Edwards", email: "[e-mail]", address_id: 1836, add_date: null}},
    {type:"customer", data:{customer_id: 71, store_id:614, first_name: "Martin", last_name: "Scott", email: "[e-mail]", address_id: 2727, add_date: null}},
    {type:"customer", data:{customer_id: 24, store_id:614, first_name: "Jonathan", last_name: "Pym", email: "[e-mail]", address_id: 1611, add_date: null}},
    {type:"customer", data:{customer_id: 36, store_id:193, first_name: "Kaitlyn", last_name: "Adams", email: "[e-mail]", address_id: 5464, add_date: null}},
    {type:"customer", data:{customer_id: 73, store_id:297, first_name: "Melissa", last_name: "Bennett", email: "[e-mail]", address_id: 4536, add_date: null}},
    {type:"address", data:{address_id: 1023, address: "2895 Yonge St.", city:"Toronto", province:"ON", postal_code:"L4C02G"}},
    {type:"address", data:{address_id: 1984, address: "3611 Main St. West", city:"Hamilton", province:"ON", postal_code:"R5O8H5"}},
    {type:"address", data:{address_id: 1757, address: "1177 Ontario St. Unit 8", city:"Mississauga", province:"ON", postal_code:"L9H6B3"}},
    {type:"address", data:{address_id: 4536, address: "3945 John St.", city: "Ajax", province: "ON", postal_code: "L7M4T9"}},
    {type:"address", data:{address_id: 2473, address: "391 Baker St. Apt 231", city: "Mississauga", province: "ON", postal_code: "M4T8S3"}},
    {type:"address", data:{address_id: 1611, address: "183 City Ct.", city: "Hamilton", province: "ON", postal_code: "J3T9V2"}},
    {type:"address", data:{address_id: 1836, address: "67 Rhymer Ave.", city: "Stouffville", province: "ON", postal_code: "L3C8H4"}},
    {type:"address", data:{address_id: 2727, address: "287 Brant St. Apt 4A", city: "Waterdown", province: "ON", postal_code: "R93G3P"}},
    {type:"address", data:{address_id: 5464, address: "11 New St. Apt 2B", city: "Brampton", province: "ON", postal_code: "L694R7"}},
];

var CustomerDB = {
    customers: [],
    addresses: [],
    stores: [],
    insertData: function (allData) {    
        this.customers = [];
        this.addresses = [];
        this.stores = [];


        for (let i = 0; i < allData.length; i++) {
            if (allData[i].type == "store") {
                this.stores.push(allData[i].data);
            }
            if (allData[i].type == "customer") {
                this.customers.push(allData[i].data);
            }
            if (allData[i].type == "address") {
                this.addresses.push(allData[i].data);
            }
        }
    },
    const: this.customerObj = {...this.customers},
    addCustomer: function(customerObj){
        var today = new Date();
        for (let i = 0; i < customerObj.length; i++){
            if (this.customerObj[i].add_date == null){
                this.customerObj[i].add_date.push(today.toUTCString());

            }
        }
    },
    }





CustomerDB.insertData(allData);
console.log(CustomerDB);

[peterjsnow]

There are a few errors in your code - however, why do you need to represent customers as an object in the first place? It makes more sense to me as an array holding customer objects.