Answers for "functions how to get the sum of an array js"

array sum javascript

const arr = [1, 2, 3, 4];
const sum = arr.reduce((a, b) => a + b, 0);
// sum = 10

Posted by: Guest on January-26-2021

sum of all numbers in an array javascript

const arrSum = arr => arr.reduce((a,b) => a + b, 0)

Posted by: Guest on March-23-2020

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