Help, I'm stuck on a lesson

I am on the iterators topic, on 5/7 and I have not been given any help. Also, I cannot skip it. Can anyone tell me how to finish it?

Of which languages? Which track? and so on, please read this topic:

which tells you which information you can provide so we can give a good reply to your situation.

I am stuck on ‘Introduction To JavaScript’

Did you read the topic i linked to? It suggests several things:

exercise url
error message

which you didn’t include, the topic i linked to also explains why this is information is valuable. Please provide as much information as possible

A post was split to a new topic: Learn html - whitespace