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select drop-down selection box beautification implementation code (js css picture)_form special effects
select drop-down selection box beautification implementation code (js css picture)_form special effects
Because although it is a bit troublesome to implement, if you use the built-in Select, it can be completed very simply. However, this code actually tells you about the practical application of JS in web pages, the cooperation between various elements, etc. .
The effect is as follows: 
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