javascript array total code example
Example 1: array sum javascript
const arr = [1, 2, 3, 4];
const sum = arr.reduce((a, b) => a + b, 0);
Example 2: sum of number using reduce
console.log(
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
[].reduce((a, b) => a + b, 0)
)
Example 3: sum all elements in array javascript
arr.reduce((a, b) => a + b)
Example 4: 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);