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)add all elements in array javascript
console.log(
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
[].reduce((a, b) => a + b, 0)
)javascript sum of array
const sum = 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;
}javascript sum array values
function getArraySum(a){
var total=0;
for(var i in a) {
total += a[i];
}
return total;
}
var payChecks = [123,155,134, 205, 105];
var weeklyPay= getArraySum(payChecks); //sums up to 722Copyright © 2021 Codeinu
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