JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<select name="DDLConditional1" size="1">
    <option selected="selected">is equal to</option>
    <option>begins with</option>
    <option>is between</option>
    <option>is not equal to</option>
    <option>is greater than</option>
    <option>is less than</option>
</select>

JavaScript

$(function() {
    $('select[name^=DDLConditional]').live('change', function() {
        if( $(this).val() === 'is between') {
            alert('is between was selected');
        }
    });
});