2025-invoker-commands/dialog-requestclose-method.html at main · codegrid/2025-invoker-commands · GitHub

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<!DOCTYPE html>
<html lang="ja">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width">
<title>デモ：dialog要素をJavaScriptで開閉する（各種イベントチェック）</title>
<link rel="stylesheet" href="style.css">
</head>

<body>
<h1>デモ：dialog要素をJavaScriptで開閉する（各種イベントチェック）</h1>

<div class="toolbar">
<button class="open-button">
  ダイアログを開く
</button>
</div>
<dialog id="modal-dialog">
<p>ダイアログです。</p>
<button class="request-close-button" value="hello-world">
  閉じるリクエスト
</button>
<button class="close-button">
  閉じる
</button>
</dialog>

<h2>ログ</h2>
<pre id="log"></pre>

<footer>
  <p><a href="./">トップに戻る</a></p>
</footer>

<script>
const dialog = document.querySelector('#modal-dialog');
const openButton = document.querySelector('.open-button');
const requestCloseButton = document.querySelector('.request-close-button');
const closeButton = document.querySelector('.close-button');

openButton.addEventListener('click', () => {
  dialog.showModal();
});
requestCloseButton.addEventListener('click', () => {
  dialog.requestClose(requestCloseButton.value);
});
closeButton.addEventListener('click', () => {
  dialog.close();
});

function logEvent(event) {
  const logElement = document.getElementById('log');
  const groupTitle = `${event.target.tagName} ${event.type} event`;
  console.group(groupTitle);
  console.dir(event);
  console.groupEnd();

  const logEntry = `

${groupTitle}:
{
type: "${event.type}",
target: ${event.target.tagName},
currentTarget: ${event.currentTarget.tagName},
cancelable: ${event.cancelable}
}`;
  logElement.textContent += logEntry + '\n';
}

dialog.addEventListener('close', (event) => {
  logEvent(event);
});
dialog.addEventListener('cancel', (event) => {
  logEvent(event);
});
dialog.addEventListener('command', (event) => {
  logEvent(event);
});

if ('CloseWatcher' in window) {
  const watcher = new CloseWatcher();
  watcher.addEventListener('close', (event) => {
    logEvent(event);
  });
  watcher.addEventListener('cancel', (event) => {
    logEvent(event);
  });
}

document.addEventListener('keydown', (event) => {
  if (event.key === 'Escape') {
    logEvent(event);
  }
});
</script>
<script src="hide-footer-inside-iframe.js"></script>
</body>

</html>