js get sum of array of objects
const getSumByKey = (arr, key) => {
return arr.reduce((accumulator, current) => accumulator + Number(current[key]), 0)
}
arr = [{x:1}, {x:3}]
getSumByKey(arr, 'x') // returns 4js get sum of array of objects
const getSumByKey = (arr, key) => {
return arr.reduce((accumulator, current) => accumulator + Number(current[key]), 0)
}
arr = [{x:1}, {x:3}]
getSumByKey(arr, 'x') // returns 4Copyright © 2021 Codeinu
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