I don't get why my sol'n isn't passing the " Winter is coming"

JavaScript
1

what’s happening:
My solution seems to return the correct string exactly like the conditions say it should, but it’s saying I got it wrong.

code so far

// Only change code below this line
function urlSlug(title) {
  return title.trim().toLowerCase().split(" ").join("-")

}
// Only change code above this line
urlSlug("A Mind Needs Books Like A Sword Needs A Whetstone");

Is telling me:

urlSlug(" Winter Is Coming") should return the string winter-is-coming .

But it does return exactly that. What gives?
Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36

Challenge: Apply Functional Programming to Convert Strings to URL Slugs

Link to the challenge:

2

The issue is that split(" ") does not check for multiple spaces, this results in the output being “winter-is–coming”

I hope this helps you understand the problem. Happy coding!

3

Hi!

Just after split(" ") try to filter only elements that are not empty.

4

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