1function cloneArray(array) {
2  var cloned = array.slice(0);
3
4  for (var i = 0, l = cloned.length; i < l; i++) {
5    if (Array.isArray(cloned[i]))
6      cloned[i] = cloneArray(cloned[i]);
7  }
8
9  return cloned;
10}
11
12module.exports = cloneArray;
13