jQuery doesn't work on items already processed -

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$(document).ready(function() {       $('#userid option').dblclick(function() {           return !$('#userid option:selected').remove().appendto('#removelist');       });      $('#removelist option').dblclick(function() {           return !$('#removelist option:selected').remove().appendto('#userid');       });   });

this works items transferred other list cannot transferred back, other items in other list can transferred back.

delegate event containers not statically linked on element itself..

$(document).ready(function() {       $('#userid').on('dblclick','option', function() {           return !$(this).remove().appendto('#removelist');       });      $('#removelist').on('dblclick','option',function() {           return !$(this).remove().appendto('#userid');       });   });

(i changed inner selectors this. if moving multiple items @ once should use original ones)

(you not need remove() them first, appending them other list, remove them current 1 ie. $(this).appendto('#removelist'))

demo at http://jsfiddle.net/hacv5/


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