sum of all numbers in an array javascript
const arrSum = arr => arr.reduce((a,b) => a + b, 0)sum of all numbers in an array javascript
const arrSum = arr => arr.reduce((a,b) => a + b, 0)add all elements in array javascript
console.log(
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
[].reduce((a, b) => a + b, 0)
)Copyright © 2021 Codeinu
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