Yes an ID tag can contain a number. However, refrain from starting it with a number like most naming rules in programming advises. Turns out it doesn’t work when you try to target that ID with CSS.

So go crazy with the numbers as long as it doesn’t start the ID

If I’ve understood your question correctly, what is stopping you from looping through all dom elements in the page and then changing their IDs ?

While changing the IDs run an increment counter in parallel so that you can add it to the ID (hint: you can use the loop counter which you will be using to loop through all the dom elements) or else generate a random number instead. To be on the safe side, before you add an ID to a given element make sure that ID doesn’t belong to any other element in the page.

I’ve been searching this site and googling everywhere and can’t find an answer so chances are that I’m out of luck and not possible to do…

Anyway, I’m working on a old site that adds elements with IDs. Those elements can be present more than one on the same page… and yes, I know that is bad practice, but that is the way I got it and can’t change it so I have to work with I have.

So my question is if it’s possible to add a number to the ID in the html page, that I can access, to make it so that those IDs be something like name_123, being that the number would change for every new element added into the page?

I suposse I can change the IDs to class but I would still need a way to have an unique identifier…

Any help pointing me in the right direction? Or any other sugestion?

Thank you.