JavaScript代码片段

/**
 * 深度拷贝对象
 * @param obj
 * @returns {*}
 */
const myDeepCopy = function (obj) {
  if (typeof obj !== 'object') {
    return obj
  }
  let newObj = {}
  for (let attr in obj) {
    newObj[attr] = myDeepCopy(obj[attr])
  }
  return newObj
}