add the sum of all values into array to variable code example
Example 1: sum of all numbers in an array javascript
const arrSum = arr => arr.reduce((a,b) => a + b, 0)
Example 2: 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);
Example 3: Write a function that takes an array of number values and returns the sum.
function amountTotal(amount) {
var total = 0;
for (i = 0; i < amount.length; ++i) {
total += amount[i];
}
return total;
}