Help I have problem with my code

JavaScript
1

Tell us what’s happening:

Your code so far


// Setup
var sum = 4;

function addThree() {

 return sum +sum;
}

// Only change code below this line7
function addFive(){
   sum +=5;
  
   
}
// Only change code above this line

addThree(4);
addFive();

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36.

Challenge: Understanding Undefined Value returned from a Function

Link to the challenge:

3

I don’t undersand can you explain me

4

That’s weird, the addThree() function should add 3 not double the number…
Did you change that function…?

6

thanks you i resolve the problem