我有一个包含这些内容的汤对象:<tr class="x--player-is-starter"><td class="pos" style="display: none; height: 62px;">10</td><td class="name" style="display: none; height: 62px;"><a class="player-profile-link" href="/eurocupwomen/18-19/player/Maria-Conde" target="_blank"> Maria Conde</a></td><td class="min" style="height: 62px;">29:37</td><td class="pts" style="height: 62px;">13</td><td class="field-goals" style="height: 62px;"><span class="made-all">4/8</span><span class="percent">50%</span></td><td class="field-goals-2p" style="height: 62px;"><span class="made-all">1/2</span><span class="percent">50%</span></td><td class="field-goals-3p" style="height: 62px;"><span class="made-all">3/6</span><span class="percent">50%</span></td><td class="free-throw" style="height: 62px;"><span class="made-all">2/4</span><span class="percent">50%</span></td><td class="reb-offence" style="height: 62px;">2</td><td class="reb-defence" style="height: 62px;">0</td><td class="reb-total" style="height: 62px;">2</td><td class="assists" style="height: 62px;">3</td><td class="personal-fouls" style="height: 62px;">0</td><td class="turnovers" style="height: 62px;">1</td><td class="steals" style="height: 62px;">3</td><td class="block-shots" style="height: 62px;">0</td><td class="plus-minus" style="height: 62px;">2</td><td class="efficiency" style="height: 62px;">14</td></tr>我想知道如何知道标签“tr”是否有 CSS class = "x--player-is-starter"。例如,如果这个包含上述tr内容的对象被称为row,我曾尝试使用row.find("tr", class_="x--player-is-starter"),但结果总是得到“无”。那么,我如何知道"tr"标签是否具有我要查找的 CSS 类?难道我做错了什么?
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