45 lines
1013 B
Markdown
45 lines
1013 B
Markdown
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---
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title: Modify an Array Stored in an Object
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localeTitle: 修改存储在对象中的数组
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---
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## 修改存储在对象中的数组
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### 方法：
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* 该函数只需两行代码即可编写。
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* 第一行应该只使用`push()`函数将`friend`参数添加到`user.data.friend`的数组中。第二行将返回修改后的数组。
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* 请记住，必须使用`addFriend()`函数的第一个参数引用`user` 。
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### 解：
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```javascript
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let user = {
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name: 'Kenneth',
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age: 28,
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data: {
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username: 'kennethCodesAllDay',
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joinDate: 'March 26, 2016',
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organization: 'freeCodeCamp',
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friends: [
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'Sam',
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'Kira',
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'Tomo'
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],
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location: {
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city: 'San Francisco',
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state: 'CA',
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country: 'USA'
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}
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}
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};
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function addFriend(userObj, friend) {
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// change code below this line
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userObj.data.friends.push(friend);
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return userObj.data.friends;
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// change code above this line
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}
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console.log(addFriend(user, 'Pete'));
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```
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