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You are given a program squaresOnly that accepts an array of natural numbers up to and including
100
(and including 0) of length >= 1, array, and returns a new array containing only square numbers that have appeared in the input array.
Refactor the solution to use as few characters as possible. There is a maximum character limit of 127. Here are a few hints:
There are a lot of handy built-in Array methods in Javascript that you may have never heard of even after completing a basic course in Javascript (e.g. those provided by Codecademy) - well, at least I haven't heard of until quite recently. You may also want to research any new built-in methods offered by ES6, the newest specification of Javascript at the time of writing.
Don't you think the array parameter is a bit wordy? ;)