class Shopping
{
    constructor() {
        this.items = this.getItems();
        this.amountHundred = this.getAmountHundred();
    }

    getItems() {
        let cartItemsStringed = localStorage.getItem("cart");
        let jsonParse = JSON.parse(cartItemsStringed);
        console.log(jsonParse);
        return jsonParse;
    }

    getAmountHundred() {
        if (this.amountHundred) {
            return this.amountHundred;
        }
        let amount = 0;
        console.log(this.items);
        for (key in this.items) {
            let itemObj = this.items[key];
            amount = itemObj.price * itemObj.qty;
        }
        this.amountHundred = amount;
        return this.amountHundred;
    }
}
let ShoppingObj;
$(document).ready(function() {
    ShoppingObj = new Shopping();
})