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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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.
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 casereason