<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<title></title>
<style>
.centent{
float:left;
margin-right: 50px;
}
</style>
</head>
<body>
<div class="centent">
<select multiple ,this);
$options.appendTo('#select1');
});
</script>
</html>