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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.
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if
a.lengthis 0, then it would be consideredfalsey(any of: 0, null, NaN, false, '', undefined) and it would jump to the next condition (b.length) and so on until it finds a truthy value OR hitting variablecwhich is 0 (considered falsey again), ending/never starting the while loop.for the
~~operators, it's a binary operator, called bitwise NOT. It will invert the bits ofundefined, making it be -1, then inverting again (~~) and being 0.source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_NOT
|| is a OR comparison, if any conditions are true, it will evaluate as true.
i.e.
(false || false || true) == true;
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This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
i used regex on this;)
Why not?
too bad you can't use regexes
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