Which programming language is used to creat drop down list in HTML???

Answer 1

Drop downs are made using CSS or Js/Jquery usually, even bootstrap.

i think this will apply for your needs:
https://www.w3schools.com/css/css_dropdowns.asp

Answer 2

HTML5... I believe the <datalist> tag is what you're looking for.

Answer 3

no that. what i mean is hover drop down

Answer 4

Oh, I have no idea.