JavaScript tests work fine now.

Use === instead of ==.

Your shorter solution doesn't work because it doesn't select the character following the dash or hyphen.

Agreed. My only issue readability. Even though it's easy for me to understand. I think it should be more readable for other coders who are fairly new. Helps them and the community grow much faster

ahhhh, Makes sense. Thanks

The last test case has 10000000 elements. SIGKILL happens because you exhausted all program memory by making a string too big.

Read carefully the Kata description again. 66 people have been able to solve it in Javascript so far.

like you said, if two words have the same length. reduce will compare them by index. The first to appear will be called. In this case reason

Theres an error in your code test

Test.assertEquals(longestString('now for some reason my shoe smells funny'), "reason", "try again");

the string lenth of reason & smells equals the same
reason.length === smells.length

so reason can't be the longest word by it's lone some. You should create a test that responds to the case and have coders also check for the edge case. Happy Coding

Interesting I should have went this route. would have saved me one line. Love how clean it come out. Great job

Lol I came to the same conclusion