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javascriptの勉強記録

Last updated at Posted at 2022-12-25

li要素のテキスト取得

<ul id="list">
  <li>aaa</li>
  <li>bbb</li>
  <li>ccc</li>
</ul>

<script>
  var elem = document.getElementById('list');
  console.log(elem.children.item(1).textContent);
  //bbb
</script>

CSSの疑似クラス:nth-child()とquerySelector()で取得する方法
(コメントで教えて頂きました)

<ul id="list">
  <li>aaa</li>
  <li>bbb</li>
  <li>ccc</li>
</ul>

<script>
console.log(document.querySelector('#list li:nth-child(2)').textContent);
// bbb

console.log(list.querySelector('li:nth-child(2)').textContent);
// bbb
</script>
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