/*
We will create array of objects.
This object will hold info about
items from shop.
*/
const shopItems = [
{
id: 223,
sku: 20,
price: 2
},
{
id: 224,
sku: 44,
price: 10
},
{
id: 225,
sku: 2,
price: 1
},
{
id: 226,
sku: 5,
price: 5
}
];
/*
We will use map method to
check how much money we can
earn from each item left in
storage.
We will return array of object with
IDs and total money.
*/
const money = shopItems.map(checkTotal);
function checkTotal(item) {
let r = {id: item.id, total: item.sku*item.price};
return r;
}
console.log(money);
/*
Output:
[
{
id: 223,
total: 40
},
{
id: 224,
total: 440
},
{
id: 225,
total: 2
},
{
id: 226,
total: 25
}
]
*/