javascript total sum function code example
Example 1: sum of all numbers in an array javascript
const arrSum = arr => arr.reduce((a,b) => a + b, 0)Example 2: sum function in javascript
let sum = (...para) => para.reduce((d,b) => d + b);const arrSum = arr => arr.reduce((a,b) => a + b, 0)let sum = (...para) => para.reduce((d,b) => d + b);