小编Jul*_*ang的帖子

var allGames = document.getElementsByTagName('td');
var array = Array.prototype.slice.call(allGames, 0)
var games14 = 0;
for (var i = 0; i < array.length; ++i) {
  if (array[i] == 2014) {
    games14++;
    console.log(games14)
  }
}

<table id="games">
  <thead>
    <tr>
      <th>Titel</th>
      <th>Genre</th>
      <th>Årstal</th>
    </tr>
  </thead>
  <tbody id="games_tbody">
    <tr class="horror">
      <td class="title">Outlast</td>
      <td>Horror</td>
      <td>2013</td>
    </tr>
    <tr class="rpg">
      <td class="title">Dragon Age: Inquisition</td>
      <td>Role-playing Game</td>
      <td>2014</td>
    </tr>
    <tr class="rpg">
      <td class="title">Skyrim</td>
      <td>Role-playing Game</td>
      <td>2011</td>
    </tr>
    <tr class="horror">
      <td class="title">Amnesia: The Dark Descent</td>
      <td>Horror</td>
      <td>2010</td>
    </tr> …