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technobulka/next-prev-by-circle.js

Created September 16, 2013 11:24
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Next/prev list item by circle
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next-prev-by-circle.js
var c = 9, // current, start from length-1
l = 10, // length
i; // index, 0 - prev, 1 - next
c = i?++c%l:~--c%l?c%l:l-1;
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