jQuery implementation of drop-down menu function example code

In computer applications, drop-down menus are a form of menu selection. The specific performance is as follows: when the user selects an option, the menu will extend downwards to another menu with other options. Drop-down menus are usually used to put some functions with the same category into the same drop-down menu, and place this drop-down menu under an option in the main menu.The items in the drop-down menucan be set to multi-select or single-select as needed, and can be used to replace a set of check boxes (set to multi-select) or radio button (set to single-select). This takes up less space than a checkbox group or a radio button group, but is less intuitive.

This article explains how jQuery implements thedrop-down menueffect through example code. It is very good and has reference value. Friends in need can refer to it

The basic effect is like this ~~

        
  
 
 
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