问题描述
我有一个表mytable1,其中包含3行和td元素。当我有6行时,以下代码可以正常工作。但是,当我有3行时,它不起作用。任何指导都会有所帮助。
注意:使用以下代码,当用户将鼠标悬停在表格图像上时,光标将改变。
我的代码
$(document).ready(function() {
$("#mytable1 tr:has(td)").mouseover(function(e) {
$(this).css("cursor","pointer");
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table id="mytable1" table-layout="fixed" width="100%" style="margin-top: 0px; float:top;">
<tr>
<td><span>Design Code : A0001</span></td>
<td><span>Design Code : A0002</span></td>
</tr>
<tr>
<td><a><img src="Images/Img1.jpg"></a></td>
<td><a><img src="Images/Img2.jpg"></a></td>
</tr>
<tr>
<td><span>Colour : Wite</span></td>
<td><span>Colour : Red</span></td>
</tr>
</table>
解决方法
您的代码可以正常运行。运行下面的代码片段。
6行示例:
$(document).ready(function() {
$("#mytable1 tr:has(td)").mouseover(function(e) {
$(this).css("cursor","pointer");
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table id="mytable1" table-layout="fixed" width="100%" style="margin-top: 0px; float:top;">
<tr>
<td><span>Design Code : A0001</span></td>
<td><span>Design Code : A0002</span></td>
</tr>
<tr>
<td><a><img src="Images/Img1.jpg"></a></td>
<td><a><img src="Images/Img2.jpg"></a></td>
</tr>
<tr>
<td><span>Colour : White</span></td>
<td><span>Colour : Red</span></td>
</tr>
<tr>
<td><span>Design Code : A0001</span></td>
<td><span>Design Code : A0002</span></td>
</tr>
<tr>
<td><a><img src="Images/Img1.jpg"></a></td>
<td><a><img src="Images/Img2.jpg"></a></td>
</tr>
<tr>
<td><span>Colour : White</span></td>
<td><span>Colour : Red</span></td>
</tr>
</table>
3行示例
$(document).ready(function() {
$("#mytable1 tr:has(td)").mouseover(function(e) {
$(this).css("cursor","pointer");
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table id="mytable1" table-layout="fixed" width="100%" style="margin-top: 0px; float:top;">
<tr>
<td><span>Design Code : A0001</span></td>
<td><span>Design Code : A0002</span></td>
</tr>
<tr>
<td><a><img src="Images/Img1.jpg"></a></td>
<td><a><img src="Images/Img2.jpg"></a></td>
</tr>
<tr>
<td><span>Colour : Wite</span></td>
<td><span>Colour : Red</span></td>
</tr>
</table>