Let's explore the use of the Array.slice() method. This is similar to the str.slice() string method but returns subarrays instead of substrings. In this case, the count will be carried out from the end of the array.
Note that both indices for start and end could be negative. It returns a new array into which it copies the elements from index start to end (not including end). And note that the original array is not modified.
According to the MDN Web Docs documentation, the Array.slice() method, in particular, sends back a shallow copy of a certain part of an array to a brand new array object, that is selected from beginning to end (not including an end).
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