When is appropriate to use frames?

Question

Frames

Answer 1

The trend goes to using float, and then flexbox, and now grid system.
CSS Grid changes everything
https://youtu.be/7kVeCqQCxlk
here is a small experiment on grid system:
https://code.sololearn.com/WMTibJWVjMY3/?ref=app

Answer 2

It is old-fasioned way 20 years ago.
don't use frameset and frame anymore
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/frameset

Answer 3

Gordon Thank you , I appreciate it