Checking if Two Arrays are Equal

In terms of comparing two arrays, I provide two simple ways to check. Although we can code more complicated and concise, I prefer to code more simple and easy to understand and helpful for learning new aspects of javascript.

On the one hand, the checkArraysBySort function is the simple solution with sort array and convert them to string and check if these are equal or not. On the other hand, the checkArraysByRepeatedItems function check if the repeated number of items is equal or not.

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