Question

I have something like this:

<div id='d12'>content</div>
<div id='d23'>content</div>
<div id='d34'>content</div>

and I would like to insert a link after each link like this

<div id='d12'>content</div><a href='javascript:add(d12)'/>add</a>

Answer 1

$('div[id^=d]').each(function(){
  $(this).after(
    "<a href='javascript:add(" + $(this).attr("id") + ")'>add</a>"
  );
});