sku.js

function sku() {
  var result = [];
  var arr = Array.prototype.slice.call(arguments);
  (function fn(parameter, array, len) {
    if (len == 0) return result.push(parameter);
    for (var i = 0; i < array[len - 1].length; i++) {
      fn(parameter.concat(array[len - 1][i]), array, len - 1);
    }
  })([], arr, arr.length);
  return result;
}

sku(['16GB','32GB','64GB'],['金色','银色','黑色'],['移动','联通']);