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Finding all class names used in HTML/DOM

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耶瑟儿～
耶瑟儿～ 2021-01-02 22:05

How can I get a list of all class names used inside an HTML Snippet?

For example, the HTML Snippet below,


  


        

      

      
      

        

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                (楼主)
            
              
                  
    
                2021-01-02 22:49
              
    

            
    
            
    
              
              

    To Access the classes in the Dom you can do stuff like 

var nameClass = document.getElementByClassName("name");
var firstClass = document.getElementByClassName("first");
var lastClass = document.getElementByClassName("last");
    
    
    
             
    
                                                        
    
            
    
            
    
              
                
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