Discourse is a complex JavaScript application and achieving something like this is probably more complicated than some straightforward JS… you’re likely going to need more help than ChatGPT can provide, and I’m not sure you’ll get that level of support for free here!
That said, before anyone can give you advice here we’ll need to know more about what you’re trying to accomplish. Where in Discourse is this table located? within a post? somewhere else? What information would be within this block?