Adding keywords?

Question

JavaScript

Guys, I need your help. The essence of the task is that when you click on a word in the text, it would be added to keywords. I searched in the internet, I did not find anything sensible, maybe someone implemented this or suggest an idea. Thanks in advance.

Answer 1

Here, as a kick, you can start with this. He sins a little, but you'll figure it out.
https://jsfiddle.net/profesor08/yeg15bsx/