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)sum the all values from an array
var numbers = [3, 5, 7, 2];
var sum = numbers.reduce((x, y) => x + y);
console.log(sum); // returns 17
// other way
x = sumAll(1, 123, 500, 115, 44, 88);
function sumAll() {
var i;
var sum = 0;
for (i = 0; i < arguments.length; i++) {
sum += arguments[i];
}
return sum;
}how to add up all numbers in an array
var numbers = [10, 20, 30, 40]
var sum = 0;
for (var i = 0; i < numbers.length; i++) { sum += numbers[i]}how to add up all numbers in an array
const numbers = [10, 20, 30, 40]
add = (a, b) => a + b
const sum = numbers.reduce(add)how sum all array element with for
// define a list
const list = [1,2,3,4,5];
// create a function return result of sum of elements
const result = () => {
let sum = 0;
for (let i = 0; i < list.length; i++) {
sum += list[i];
}
return sum
}
console.log(result());Copyright © 2021 Codeinu
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