How to make numbering in .json() output?

Question

css

How to make numbering from 0 to infinity in .join()?

So that the output is:
0. item1
1. item2
2. item3
...

Answer 1

Is this a picture, or is it already on the site somewhere?
If someone already has it, just look at the element code and copy it, along with the styles, and there you will already take apart what you need into pieces.