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tanshio/arrRandom.js

Created November 8, 2014 19:26
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arrRandom.js
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arrRandom.js
var n = a.length;
for(var i = n - 1; i > 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var tmp = a[i];
a[i] = a[j];
a[j] = tmp;
}
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