Answer 1

Manav Roy prism is a code highlighter used to colour code Syntex

See the following=>

https://code.sololearn.com/WbcsUWnIz5mj/?ref=app

Answer 2

Use navigator.clipboard.writeText() method.
Here's how - https://developer.mozilla.org/en-US/docs/Web/API/Clipboard/writeText

Answer 3

Oh, I get your question
You can get this on Google
But here is a code you might like to play around with
https://code.sololearn.com/WqZC2806VoN8/?ref=app

Answer 4

Manav Roy You can try it

https://www.acugis.com/relauncher2019/css/code-box/

Answer 5

If you don't like prism code highlighter you can also use monako code editor made by Microsoft vs code.