js sum of array
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
// Output: 10js sum of array
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
// Output: 10sum of all elements in array javascript
arrSum = function(arr){ return arr.reduce(function(a,b){ return a + b }, 0);}Copyright © 2021 Codeinu
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