Im Stuck In this challenge please help.
my code:
// example
var sum = 0;
function addThree() {
sum = sum + 3;
}
// Only change code below this line
sum = sum + 5;
var sum = 8;
function addFive() {
sum = sum + 5;
}
// Only change code above this line
addThree();
addFive();
Challenge: Understanding Undefined Value returned from a Function
Link to the challenge: