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                            ## 1.如何不使用遍歷把字符串數組轉換成數字數組

## 2.舉個例子 : \[‘1’,’2’,’3’\]=>\[1,2,3\]

## 解決方法
js
~~~
['1','2','3'].map(Number)
~~~
![](https://img.kancloud.cn/16/01/16019e7e9eece470d1e0be23e9edd9a7_518x218.png)
php

```
$data?=?\["1","2","3"\];  
$list=?\[\];  
foreach($data?as?$k?=>?$v){  
　　　　$list\[\]?=?$v;  
　　?  
　　}  
print\_r($list);  
```
　打印結果：\[1,2,3\]
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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