How do I create a drop down menu?

Question

Who can create a drop-down menu using Html, Css, Js?
Write down how to build it!
Which one is more beautiful?

Answer 1

Another way is pure CSS
https://code.sololearn.com/WuNp8CN7AkAe/?ref=app

Answer 2

https://www.sololearn.com/learn/jQuery/2818/?ref=app

Answer 3

Bootstrap 3: Dropdowns
https://www.sololearn.com/learn/1062/?ref=app

Answer 4

Thank,s
Drop-down menu codes is beautiful !
I need to them