selector

1.class 中间有空格 .layui-icon.layui-icon-face-smile-b  可以使用句号(.)隔开每个 class 名称

<i class="layui-icon layui-icon-face-smile-b" style="color:deeppink;"></i>

 

2.多个相同相似,中的第一个或某个  #title111 > tr:nth-child(1) >td:nth-child(1)

<id="title111">

  <tr>

    <td width="90" align="center">a</td>

    <td width="150" align="center">b</td>

    <td width="100" align="center">c</td>

    <td width="260" align="center">d</td>

    <td width="100" align="center">e</td>

    <td width="130" align="center">f</td>

  </tr>

3.没有class和id定位[layuimini-href="/FlowManage/Flowinstance/DoneFlow_FK"]

<a href="javascript:;" layuimini-href="/FlowManage/Flowinstance/DoneFlow_FK" target="_self">

posted @ 2023-12-08 15:16  yj-newboy  阅读(11)  评论(0编辑  收藏  举报