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## pickBy 

+ [link](./pickBy "Link to this entry.") 
+ [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L11606 "View in source.") 
+ [npm](https://www.npmjs.com/package/lodash.pickby "See the npm package.")

```
_.pickBy(object, [predicate=_.identity])
```

創建一個從 `object` 中經 `predicate` 判斷為真值的屬性為對象。 predicate 會傳入1個參數：(value)

### 參數

1.  object (Object)

    來源對象

2.  [predicate=_.identity] (Function|Object|string)

    這個函數會調用每一個屬性

### 返回值 (Object)

返回新對象

### 示例

```
var object = { 'a': 1, 'b': '2', 'c': 3 };

_.pickBy(object, _.isNumber);
// => { 'a': 1, 'c': 3 } 
```




                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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