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For any future bypassers, how this works is using the Shift function. It removes the first item in an array and then returns it. So in other words, this code removes the first item in the array and then adds it again - making it go to the bottom of the array.
– Alex
Commented Jul 30, 2014 at 20:44
5

very well done... I was looking for the opposite but came up on this answer so after some quick research here is the opposite way of doing the above... ary.unshift(ary.pop());
– Digggid
Commented Jul 11, 2019 at 1:14

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