Is there any purpose to redeclaring JavaScript variables?

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傲寒 2020-12-11 18:38
I am new to JavaScript.

      
      
        
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                   忘掉有多难
                                             
                
                
                (楼主)
            
              
              
                2020-12-11 19:11
              

            
            
                        
Within the same scope, it is totally unnecessary to "redeclare" a variable.
    
             
                                                        
            
            
              
                
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