iframe窗口添加关闭按钮

注意是：layer弹窗

ll

<button class="btn btn-danger" onclick="javascript:closethis()"><i class="icon-remove icon-white"></i> Delete</button>
<!-- 按钮的单击事件 -->

<script type="text/javascript">
        function closethis() {
            var index = parent.layer.getFrameIndex(window.name);
            parent.layer.close(index);
        }
    </script>
//关闭弹窗