How to get multiple select box value using jquery,

How to get multiple select box value using jquery,

Hi,
How to get multiple select box value using jquery,I tried below code but i get normal dropdown not multiple selected dropdown.

<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

<script type="text/javascript">
$(function(){
    $("select").multiselect();
});
</script>
</head>

<h3>Multi Drop Select example</h3>
<p>
    <select title="Multi Drop Select example" multiple="multiple" name="example-basic" size="5">
    <option value="option1">Option 1</option>
    <option value="option2">Option 2</option>
    <option value="option3">Option 3</option>
    <option value="option4">Option 4</option>
    <option value="option5">Option 5</option>
    <option value="option6">Option 6</option>
    <option value="option7">Option 7</option>
    <option value="option8">Option 8</option>
    <option value="option9">Option 9</option>
    <option value="option10">Option 10</option>
    <option value="option11">Option 11</option>
    <option value="option12">Option 12</option>
    </select>
</p>

</body>
</html>