Answers for "how to find the sum of an array of numbers in javascript"

js sum of array

[1, 2, 3, 4].reduce((a, b) => a + b, 0)

// Output: 10

javascript sum of array

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

sum all the values in an array javascript

array.reduce((a, b) => a + b, 0)

js array elements sum

[1, 2, 3, 4].reduce((a, b) => a + b, 0)