Can we add commands inside selectors using CSS property?

Answer 1

You can do that by only using CSS but it's a little tricky and i defintely recommend to use Javascript as stated by Ulisses.

Just a simple implementation: https://code.sololearn.com/W9gxz1214xQq/?ref=app

Answer 2

HTML CODE:
<img id="image" url of image here>
<p id ="h"> hello </p>
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CSS CODE:
#image: hover { what should I write here to change value of "hello" to "world"? }

Answer 3

To do that you need JavaScript