How to add copy button to post text

[Aizada_M]

Greetings, my inquiry may seem to be rather naive, but I’m at a loss for procuring the precise code or theme component which can be employed for the creation of a “copy” button within the confines of a textual post. In the theme composer on my forum instance, there appears to be an alarming absence of a function for fabricating a text-copying button.
Вот скрин, того что я хочу сделать:

Please tell me how can I achieve this effect

[Moin]

It is the show copy button on codeblocks site setting

Copy codeblock contents to clipboard

Now live in core Discourse is the ability to show a copy button for codeblocks! import { createWidget } from 'discourse/widgets/widget'; createWidget('my-widget', { tagName: 'div.hello', html() { return "hello world"; } }); This feature is off by default, but if your community could benefit from it, you can turn it on by enabling the show copy button on codeblocks site setting. Some notes about the feature: The button shows up on pre > code codeblocks, but not inline, …

[Aizada_M]

@Moin

codeblocks

I’m profoundly grateful to you ! I’ve been in quest of this feature for the entire day.