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Hi, simple question.  A while back I wrote some code that works just fine.  Except I was trying to explain to someone what I did, and I can't rememeber what this syntax means, I wrote it based on some examples online and forgot, oops.

Can someone please tell me what does the *= do in this part of code?  Why do I need that star (*)?
find('#[id*=shot_number_]')

var cloned = $('#tbl_shots tbody tr:last').clone(true);
      cloned.find('#[id*=shot_number_]').attr('id', 'shot_number_' +  numOfShots).attr('name','shot_number_' +  numOfShots);

Thanks!