27 lines
629 B
Markdown
27 lines
629 B
Markdown
|
---
|
||
|
|
title: Use the delete Keyword to Remove Object Properties
|
||
|
|
localeTitle: 使用删除关键字删除对象属性
|
||
|
|
---
|
||
|
|
## 使用删除关键字删除对象属性
|
||
|
|
|
||
|
|
[Developer.mozilla.org](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete)提供了有关delete运算符的综合教程。
|
||
|
|
|
||
|
|
### 解：
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
let foods = {
|
||
|
|
apples: 25,
|
||
|
|
oranges: 32,
|
||
|
|
plums: 28,
|
||
|
|
bananas: 13,
|
||
|
|
grapes: 35,
|
||
|
|
strawberries: 27
|
||
|
|
};
|
||
|
|
// change code below this line
|
||
|
|
delete foods.oranges;
|
||
|
|
delete foods.plums;
|
||
|
|
delete foods.strawberries;
|
||
|
|
// change code above this line
|
||
|
|
console.log(foods);
|
||
|
|
|
||
|
|
```
|