jquery-仅在class.stable表中,隐藏第二个td没有innerhtml的所有行

$('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>