Puoi fare cosi...
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
function sposta(sel1,sel2) {
if (sel1.selectedIndex < 0) {
return;
} // if (sel1.selectedIndex < 0)
//-------- Ricavo la riga selezionata
var oCurOption = sel1.options.item(sel1.selectedIndex);
//-------- Creo una nuova opzione
var oOption = document.createElement("OPTION");
//-------- La aggiungo alla seconda select
sel2.options.add(oOption);
//-------- Assegno i valori della prima select alla seconda
oOption.value = oCurOption.value;
oOption.innerText = oCurOption.innerText ;
//-------- Elimino la riga spostata
elimina(sel1);
} // function sposta(sel1,sel2)
function elimina(unSelect) {
if (unSelect.selectedIndex < 0) {
return;
} // if (unSelect.selectedIndex < 0)
unSelect.options.remove(unSelect.selectedIndex)
} // function elimina(unSelect)
//-->
</script>
</head>
<body>
<select id="s1" size="5" >
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
</select>
<input type="button" value=">" onclick="sposta(document.getElementById('s1'),document.getElementById('s2'))">
<select id="s2" size="5" >
</select>
<input type="button" value="-" onclick="elimina(document.getElementById('s2'))">
</body>
</html>
Permessi di invio
Rispondi quotando