array.sort ()

Question

How does the array.sort () achieve “SORT-NUMBER”?
And what is the result？

Answer 1

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Answer 2

Array.sort() is a static method of class Array, when you pass in a refrence as a value to that object it sorts the elements in ascending order but dosent return anything back the reason for this is because the actual object is being edited and not a copy, were as if you passed a primitive type to a method only copy of the value is passed therefore the original value is not affected.