在javascript中查找有关对象循环的错误

我是JavaScript新手，正在参加codeacademy课程。我已经被困在一个部分很长时间了，我不太明白我的错误是什么

我应该循环遍历一个本身包含对象的对象，并返回内部对象的特定属性。确切的代码是

var friends = {
    bill: {
        firstName: "bill",
        lastName: "bill",
        number: 0319382,
        address: ["one chocloate","yea","sup"]
    },
    steve: {
        firstName: "steve",
        lastName: "steve",
        number:41234134,
        address: ["one chocloate","yea","sup"]    
    }

}

我正在做一个函数，检查一个名字是否与朋友中的任何名字匹配，以及true是否返回此人的详细信息。我目前的职能是

var search = function(name){
    for (var k in friends){
        if (k[firstName] === name){
            for(var i in k){
                console.log(i);
            }
        }
    }
}

感谢您的回复，请记住我是（k中的var i）的完全初学者

只需将

i

设置为属性名称，而不是值。要获得相应的值，必须使用

k[i]

：

for (var i in k) {
    console.log(i + ' is ' + k[i]);
}

---

看看这个代码->

var friends = {
    bill: {
        firstName: "bill",
        lastName: "bill",
        number: 0319382,
        address: ["one chocloate","yea","sup"]
    },
    steve: {
        firstName: "steve",
        lastName: "steve",
        number:41234134,
        address: ["one chocloate","yea","sup"]    
    }

}

var search = function(name){
    for (var k in friends){
        var friend = friends[k]; //getting the index
        if (friend.firstName === name){
            //checking if the first name is equal to the passed one
            for(var i in friend){
                console.log(friend[i]); //getting the properties of the matched object                
               }
        }
    }
}

search('steve');