Option selected Index Example
<html> <body> <script> function function1(colors) { var col = (colors.options[colors.selectedIndex].value); if (col) { document.bgColor = col; } alert("SelectedIndex value = "+col); } </script> <form method="post" action=""> <select name="colors" onChange="function1(this);"> <option value="white" selected>White</option> <option value="cyan">Cyan</option> <option value="ivory">Ivory</option> <option id="myO" value="blue">Blue</option> <option value="red">Red</option> <option value="lightblue">Lightblue</option> <option value="beige">Beige</option> </select> </form>