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adamgiese/callback-parameters.js

Created July 17, 2018 13:46
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Declarative Arrays: Naming Callback Parameters
Raw
callback-parameters.js
const cart = [
{
name: 'Waterloo Sparkling Water',
quantity: 4,
price: 1,
},
{
name: 'High Brew Coffee',
quantity: 2,
price: 2,
},
];
const toTotal = (totalPrice, {quantity, price}) =>
totalPrice + quantity * price;
const total = cart.reduce(toTotal, 0);
console.log(total); // 8
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