JS 两个含有部分相同属性的对象如何快速给对应的key赋值

JS 两个含有部分相同属性的对象如何快速给对应的key赋值

obj1 =
{
                "authList": [ ],
                "enabled": 1,
                "id": "b3bae8fcde0d4a50b7fbcbbccf4fe216",
                "lastLogin": 1564363725773,
                "lastLoginStr": "2019-07-29",
                "namePinyin": "chenghua",
                "namePinyinFirst": "c",
                "rowLocked": 0,
                "sex": 2,
                "userAccount": "chenghua",
                "userName": "lomo"
  },
 
 
obj2 ={
                "sex": '',
                "userAccount": "",
                "userName": ""
}

Object.keys(obj2).forEach(key=>{obj2[key]=obj1[key]})