Task of Challenge #22
Rotate an array to the right 1 position. E.g. [1, 2, 3] -> [ 3, 1, 2 ] | [1, 2, 4, 6, 3] -> [ 3, 1, 2, 4, 6 ].
Solution
Explanation
The function reverseArray just creates an empty array ar2 where the reversed one gets into. A simple for loop covers the tasks of reversing our array. It does it by decrementing a running index of i from the array.length towards 0 and pushing therefore from the last element of the passed array until the first into ar2.
After the for loop, the function just returns your newly reversed array of ar2.
If you want to dig deeper into arrays and their methods you can read the Mozilla Dev Notes or take my JavaScript Course, where I introduce you also to all kinds of array methods (there are plenty of them and they are very useful).
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The output for the code above is:
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