$('table.stable td:nth-child(2):empty')
$('table.stable td:nth-child(2):empty').closest('tr').hide()
有关详细信息,请参阅
:nth-child()
:empty
.closest()
$('table.stable td:nth-child(2):empty').closest('tr').hide()
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table class="stable">
<tr class="spec_tit">
<th colspan="2">Resident Evil 7</th>
</tr>
<tr class="spec_cpu">
<td class="tdr">CPU</td>
<td class="tdl">Intel Core i5 4460 @2.70GHz / AMD FX 6300</td>
</tr>
<tr class="spec_ram">
<td class="tdr">RAM</td>
<td class="tdl">8GB</td>
</tr>
<tr class="spec_gra">
<td class="tdr">Graphics</td>
<td class="tdl"><strong>2GB</strong>, nVidia GeForce GTX 760 / AMD Radeon R7 260x</td>
</tr>
<tr class="spec_sha">
<td class="tdr">Shader Model</td>
<td class="tdl"></td>
</tr>
<tr class="spec_dis">
<td class="tdr">Disk space</td>
<td class="tdl">24GB</td>
</tr>
<tr class="spec_aud">
<td class="tdr">Audio</td>
<td class="tdl">DX 9.0c</td>
</tr>
<tr class="spec_per">
<td class="tdr">Peripherals</td>
<td class="tdl"></td>
</tr>
<tr class="spec_os">
<td class="tdr">OS</td>
<td class="tdl">Win7 x64, Win8 x64, Win8.1 x64, Win10 x64</td>
</tr>
<tr class="spec_dx">
<td class="tdr">DX ver</td>
<td class="tdl">11</td>
</tr>
</table>