How to make a drop down menu on hover instead of on click?

Question

Bootstrap

Here in bootstrap if given a class :

• 
  it will drop out when pressed, but how to make it drop out on hover?

Answer 1

https://cameronspear.com/demos/bootstrap-hover-dro...
https://github.com/CWSpear/bootstrap-hover-dropdown
stackoverflow.com/questions/8878033/how-to-make-tw.. .