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两个列表匡内容互相挪来挪去的例子
转自:互联网
<HTML> <HEAD> <TITLE> </TITLE> <script language="javascript"> function adduser() { freelength = document.all.freeid.length; for (var i = freelength - 1; i >= 0; i--) { if (document.all.freeid.options[i].selected) { var newtext = document.all.freeid.options[i].text; var newvalue = document.all.freeid.options[i].value; var nowlength = document.all.nowid.length; document.all.nowid.options[nowlength] = new Option(newtext, newvalue); document.all.freeid.options[i] = null; } } } function deluser() { nowlength = document.all.nowid.length; for (var i = nowlength - 1; i >= 0; i--) { if (document.all.nowid.options[i].selected) { var newtext = document.all.nowid.options[i].text; var newvalue = document.all.nowid.options[i].value; var freelength = document.all.freeid.length; document.all.freeid.options[freelength] = new Option(newtext, newvalue); document.all.nowid.options[i] = null; } } } </script> </HEAD> <BODY BGCOLOR="#ffffff"> <table border="1" cellpadding="3" cellspacing="0" style="border-collapse: collapse" bordercolor="#CCCCCC" width="100%"> <tr> <td colspan="2"> <table width="90%" border="0" cellspacing="0" cellpadding="0" align="center"> <tr> <td> <select name="freeid" multiple size="6" style="width:200px"> <option value="1"> admin </option> </select> </td> <td valign="center" align="center"> <input type="button" class="it" value="添加>>" onclick="adduser()"> <br> <br> <input type="button" class="it" value="<<删除" onclick="deluser()"> </td> <td> <select name="nowid" multiple size="6" style="width:200px"> <option value="11"> EHLDCIO </option> <option value="15"> wanglifeng </option> <option value="16"> service </option> </select> </td> </tr> </table> </BODY> </HTML>