selector 增添
selector 添加
$(document).ready( function() { $("#listOne").dblclick( function() { $("#listOne option:selected").appendTo("#listTwo"); } ); } );
html 内容
<select size="10" class="myText" id="listOne"> <option value="ddd" />eeeee <option value="ddd1" />eeeee1 <option value="ddd2" />eeeee2 <option value="ddd3" />eeeee3 <option value="ddd4" />eeeee4 </select> <input type="button" onclick="usb()" value="enter" /> <div id="mmu"></div> <select size="10" class="myText" id="listTwo">