?//?深拷貝
????let?obj?=?{
??????name:?"xuke",
??????age:?22,
??????hobby:?{
????????first:?"eat",
????????second:?"sleep"
??????},
??????city:?['北京',?'上海',?'廣州',?'深圳']
????}
??function?deep(obj)?{
??????var?data
??????if?(typeof?data?===?'object')?{
????????if?(Array.isArray(obj))?{
??????????data?=?[]
??????????for?(var?key?in?obj)?{
????????????data.push(deep(obj[key]))
??????????}
????????}?else?if?(obj?===?null)?{
??????????data?=?obj
????????}?else?if?(obj?===?RegExp)?{
??????????data?=?obj
????????}?else?{
??????????data?=?{}
??????????for?(var?key?in?obj)?{
????????????data[key]?=?deep(obj[key])
??????????}
????????}
??????}?else?{
????????return?obj
??????}
??????console.log(data);
??????return?data
????}
