on option list select jquery code example
Example 1: jqury get selected option
<select id="myselect">
<option value="1">Mr</option>
<option value="2">Mrs</option>
<option value="3">Ms</option>
<option value="4">Dr</option>
<option value="5">Prof</option>
</select>
<script>
$( "#myselect option:selected" ).val();
</script>
Example 2: select option value jquery
$("select.country").change(function(){
var selectedCountry = $(this).children("option:selected").val();
alert("You have selected the country - " + selectedCountry);
});