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自由なテキストをJSのみでクリップボードにコピー

Last updated at Posted at 2019-06-18

onclickとかで下記を発火させればOK


const copyToClipboard = () => {
  const userAgent = window.navigator.userAgent.toLowerCase();

  const textareaElement = document.createElement('textarea');

  textareaElement.value = `
    copyいけてる?
  `;
  document.body.appendChild(textareaElement);

  // safari対応
  // [TODO]ここできてなかった。。
  // この記事見て直す必要あり
  // https://qiita.com/sakuraya/items/33f93e19438d0694a91d
  if (userAgent.indexOf('safari') > 0) {
    const range = document.createRange();
    range.selectNode(textareaElement);
    window.getSelection().addRange(range);
  } else {
    textareaElement.select();
  }


  document.execCommand('copy');
  textareaElement.parentElement.removeChild(textareaElement);
};
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