Basic Data Structures: Iterate Through the Keys of an Object with a Statement.1

Tell us what’s happening:
The code doesn’t work. Please help.

Your code so far

function countOnline(usersObj) {
// Only change code below this line
let result = 0;
for (let user in obj) {
if (obj[user].online === true) {
return result;
// 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:

function countOnline(usersObj) //should be: function countOnline(obj)

Hello. Check this:
Function countOnline is passed a parameter called usersObj, but inside it uses (undefined variable) obj.

I’ve solved it just by changing that usersObj to obj in function