Non-desctructive version of some destructive array methods
nonDesctructiveReversed() --> reverse()
nonDesctructiveSort() --> sort()
nonDestructiveSplice() --> splice()
arrIdxVal() --> array[idx]=value
custom javascript methods
Non-desctructive version of some destructive array methods
nonDesctructiveReversed() --> reverse()
nonDesctructiveSort() --> sort()
nonDestructiveSplice() --> splice()
arrIdxVal() --> array[idx]=value