// codewars solution
// leetcode solution
// and more
function sum(arr) {
return arr.reduce( (x,y) => x+y, 0);
}
sum([1, 2, 3, 4]);
// 10
sum([2, 4, 1, 3, 5]);
// 15
// enjoy :)
const arrSum = arr => arr.reduce((a,b) => a + b, 0)console.log(
[1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
[].reduce((a, b) => a + b, 0)
)const sum = arr => arr.reduce((a, b) => a + b, 0);arr.reduce((a, b) => a + b)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 722