Under the "Looping through the array" section, in the first code example, you have:
console.log(keys)
This should be key, not keys:
key
keys
console.log(key)
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
Confirm
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Under the "Looping through the array" section, in the first code example, you have:
This should be
key, notkeys: