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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.
I agree, the tests aren't aligned with the instructions so this passes when it should not. There is no check if a or b are numbers as outlined in the requirements
It doesn't pass, so this solution isn't correct
this should not work - as passing a non number into variable b will yield NaN ?
hey guys, can you explain why this one passes if for example a or b !== 'number'? Isn't that supposed to return us NaN for valid signs?