Iterate with a for in loop

JavaScript
1

Tell us what’s happening:
I’m struggling with this one. What I have down should work, but it just keeps getting rejected. What am I missing?

Your code so far


function countOnline(usersObj) {
// Only change code below this line
let i = 0;
for ( let user in usersObj){
  if (usersObj[user].online === true){
    i++;
  }
  return i;
}
// Only change code above this line
}

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Challenge: Iterate Through the Keys of an Object with a for…in Statement

Link to the challenge:

2

you are always returning or 0 or 1, look at where you put your return statement

1 Like
3

Got it. So the return statement has to be outside the for in loop or it just resets. Thank you.

4

no, it doesn’t reset. The return statement stops the function and return a value. The loop was executed only for the first value of user and it didn’t reach any other value of user

5

Ok. So it doesn’t keep iterating if return is inside the loop, it just gives the first value of i.

6

it gives whatever the value of i is when the return statement is executed

7

This is slightly tangential, but the === true in the if statement is redundant. Since we know the online properties will be a boolean, simply writing it this way is all that’s necessary:

if (usersObj[user].online) {
1 Like