jquery多選下拉框左右複制

2023-06-05 05:03:54

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>

<head>

<title>Untitled</title>

</head>

function moveToRight(){

$("#D1 option:selected").each(function(){

var option = $(this)

$("#D1").remove(option);

$("#D2").append(option);

});

}

function moveUp(){

$('#D2 option:selected').each(function(){

var option = $(this);

//alert(option.prev().size());

if(option.prev().size()!=0){

option.prev().before(option);

}

});

}

</script>

<body>

</select>

<input type=button value=">" οnclick="moveToRight()"/>

</select>

</body>

</html>

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