Untitled

<html>
  <head>
    <title>Test JavaScript</title>
  </head>
<body>

<select id="mySelect">
  <option value="1">Red</option>
  <option value="2">Blue</option>
  <option value="3">Black</option>
</select>


</body>
</html>

<script>
function getSelected(){
  var e = document.getElementById("mySelect");
  var dspText = e.options[e.selectedIndex].text;
  var dspValue = e.options[e.selectedIndex].value;
  alert(dspText+' = '+dspValue);
}
getSelected();
</script>