49 lines
1.5 KiB
Markdown
49 lines
1.5 KiB
Markdown
|
---
|
|||
|
|
title: Use the Spread Operator to Evaluate Arrays In-Place
|
|||
|
|
localeTitle: 使用Spread运算符来就地评估数组
|
|||
|
|
---
|
|||
|
|
## 使用Spread运算符来就地评估数组
|
|||
|
|
|
|||
|
|
### 传播运营商解释道
|
|||
|
|
|
|||
|
|
[Mozilla开发人员网络传播运营商](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax "Mozilla开发者网络")
|
|||
|
|
|
|||
|
|
### Spread Operator与Rest Parameter相比较
|
|||
|
|
|
|||
|
|
[堆栈溢出](https://stackoverflow.com/questions/33898512/spread-operator-vs-rest-parameter-in-es2015-es6 "堆栈溢出")
|
|||
|
|
|
|||
|
|
### 视频解释扩散算子和静止参数
|
|||
|
|
|
|||
|
|
[](http://www.youtube.com/watch?feature=player_embedded&v=iLx4ma8ZqvQ
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
[
|
|||
|
|
|
|||
|
|
### 有关apply（）方法的信息
|
|||
|
|
|
|||
|
|
](http://www.youtube.com/watch?feature=player_embedded&v=iLx4ma8ZqvQ
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
[](http://www.youtube.com/watch?feature=player_embedded&v=iLx4ma8ZqvQ
|
|||
|
|
)[Mozilla开发者网络应用方法](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply "Mozilla开发者网络")
|
|||
|
|
|
|||
|
|
### 3个快速示例
|
|||
|
|
|
|||
|
|
```javascript
|
|||
|
|
let numbers = [-12, 160, 0, -3, 51];
|
|||
|
|
let minNum = Math.min.apply(null, numbers);
|
|||
|
|
console.log(minNum);//-12
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
```javascript
|
|||
|
|
let numbers = [-12, 160, 0, -3, 51];
|
|||
|
|
let minNum = Math.min(numbers);
|
|||
|
|
console.log(minNum);//NaN
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
```javascript
|
|||
|
|
let numbers = [-12, 160, 0, -3, 51];
|
|||
|
|
let minNum = Math.min(...numbers);
|
|||
|
|
console.log(minNum);//-12
|
|||
|
|
|
|||
|
|
```
|