Jquery-based three-level drop-down menu _ jquery

This article describes in detail how to implement a three-level drop-down menu based on jquery, which has some reference value, interested friends can refer to the examples in this article to share with you the specific implementation code of the jquery three-level drop-down menu for your reference. The details are as follows:

When writing this, we must first follow the train of thought. When you click a menu, the other items must be closed. when you click a menu, the second and third-level menus must be closed.
The code is as follows:

   
 
 
   
  
  
Directory 
   
 
    
Level 2 Directory 
     
 
      
Level 3 Directory
 
     
 
 
    
Level 2 directory B
 
    
Level 2 directory C
 
   
 
   
  
  
Directory B 
   
 
    
Level 2 Directory 
     
 
      
Level 3 Directory
 
     
 
 
    
Level 2 directory B
 
    
Level 2 directory C
 
   
 
   
  
  
Directory C
  
 
 
 // JQuery part