Add A Different Id To Each Li Element By Jquery

I'm new here and I'd like to ask a question about jQuery. I have the unordered list like:

• Solution 1:

  As of jQuery 1.4, you can do this:

  $('#pages li').attr('id', function(i) {
     return'page'+(i+1);
  });
  

  In earlier versions, you'd need to write:

  $('#pages li').each(function(i) {
      $(this).attr('id', 'page'+(i+1));
  });
  

  ... which works in 1.4 as well. It's a matter of preference, I guess.

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