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                            ## Vue中的$.nextTick的理解

簡答：  
因為Vue的異步更新隊列，$nextTick是用來知道什么時候DOM更新完成的。  
**常用的場景是在進行獲取數據后，需要對新視圖進行下一步操作或者其他操作時，發現獲取不到dom**。  
因為賦值操作只完成了數據模型的改變并沒有完成視圖更新
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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