Untitled

<script type="text/javascript">
function gao(){
var An;

$sql = "SELECT * FROM Anouncements";
//  Execute the query

$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0) {
// output data of each row
while($row = mysqli_fetch_assoc($result)){
an=$result[1];
return(an);
   }
}
</script>
<head>
<body>
  <form action="javascript:gao(s1)"/>
    <select name="num" id="s1" required>
        <option value="1">gao</option>
    </select>
  </form>