jquery select取option的value值发生变化事件

<div id = "schedule">
    <label>是否设置：</label>
    <select name="d[i][disable]">
       <option value="1">是</option>
       <option selected="selected" value="0">否</option>
    </select>
</div>
<div id="scheduleDate">是否显示的框</div>

<script type="text/javascript">
    $(document).ready(function(){
        var scheduleValue = $(‘#schedule‘).find(‘select‘).val();
        (scheduleValue == 1) ? $(‘#scheduleDate‘).show() : $(‘#scheduleDate‘).hide();
        $(‘#schedule‘).find(‘select‘).click(function(){
            var option = $(this).find(‘option:selected‘).val();
            option == 1 ? $(‘#scheduleDate‘).show() : $(‘#scheduleDate‘).hide();
        });
    });
</script>