aaac7fed
 liuqimichale
add
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function cloneArray(array) {
var cloned = array.slice(0);
for (var i = 0, l = cloned.length; i < l; i++) {
if (Array.isArray(cloned[i]))
cloned[i] = cloneArray(cloned[i]);
}
return cloned;
}
module.exports = cloneArray;
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