Select the menu instance code in the "three-level date linkage" drop-down box of javascript implementation

This article mainly introduces the selection menu of three-level date linkage drop-down box in javascript, and the selection function of three-level linkage drop-down box in JS year, month, and day, which has some reference value, interested friends can refer to this article to introduce the selection menu of the three-level date linkage drop-down box in javascript to realize the selection function of the three-level linkage drop-down box in JS year, month, and day, which has a certain reference value, for more information, see

Because the work involves editing the birthday editing materials, use the above URL case: bug prompt:

Edit the "year" or "month" in the birthday column. The specific "day" saved previously will not be displayed. The product says that no matter which data is edited, other data will remain unchanged;

Then I changed the code myself:

  
   
   JS year month day three levels linkage drop-down box date selection code