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nwrox/reducePrice.js

Created September 1, 2017 02:07
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reducePrice.js
const arr = [{ price: 10, qtd: 2}, { price: 20, qtd: 1}]
, res = arr.reduce((acc, curr) => { acc.price = (acc.price || 0) + curr.price * curr.qtd; acc.qtd = (acc.qtd || 0) + curr.qtd; return acc }, {})
console.log(res)
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