jquery remove() problem

See [HERE][1]!!! http://jsfiddle.net/y5gbg/ When I type something, it should append a round div and text. When I click this round div, it should be removed. This is jquery code: $(document).ready(function(){ $("button").click(function(){ var str; str = $('input').val(); var sth; sth = '

'+str+'


'; $("#contents").append(sth); }); $('.btn').click(function(){ var id; id = $(this).attr('alt'); $('#'+id).remove(); }); }); But it doesn't work. Could someone tell me why? Another thing, how to do linebreak here? Thanks!!! [1]: http://jsfiddle.net/y5gbg/

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