浅谈JavaScript之深浅拷贝（二）

 const newobj = JSON.parse(JSON.stringify(obj))

function deepClone(obj) {
  let isArray = Array.isArray(obj);
  let result = isArray ? [] : {};
  if (isArray) {
    obj.forEach((item, index) => {
      result[index] = deepClone(obj);
    });
  } else if (typeof obj === "object") {
    Object.keys(obj).forEach(item => {
      result[item] = deepClone(obj[item]);
    });
  } else {
    result = obj;
  }
  return result;
}