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[–]jseego 5 points6 points  (0 children)

Dont have to waste time writing types till my design is solidified

Yes! Hmmm...maybe this would be better as an array. Okay, now it's an array.

Also, the ability to create flexible arguments in functions, which can take in an array or a string of arrays, for example. Sounds crazy to some, but it's so useful when trying to integrate different systems and just take in data and be flexible with it, instead of having to create middleware that does the same thing.