Local accessible dialog generator

アクセシブルなネイティブ HTML ダイアログを構築する

コピー可能な HTML と JavaScript を使用して、モーダル トリガー、ラベル付きダイアログ、ネイティブの閉じるフォームを作成します。

HTML ready

Native dialog preview

Settings

Choose your preferences.

<button type="button" id="open-settings-dialog" aria-haspopup="dialog">Open settings</button>

<dialog id="settings-dialog" aria-labelledby="settings-dialog-title">
  <form method="dialog">
    <div class="dialog-panel">
      <h2 id="settings-dialog-title">Settings</h2>
      <p>Choose your preferences.</p>
      <button type="submit">Close</button>
    </div>
  </form>
</dialog>

<script>
  const dialog = document.getElementById("settings-dialog");
  document.getElementById("open-settings-dialog").addEventListener("click", () => dialog.showModal());
</script>

Everything runs in your browser. Nothing is uploaded or saved.

Use the native dialog model

showModal() places the dialog in the top layer and gives it modal behavior with a backdrop.

aria-labelledby connects the dialog to a visible heading so assistive technology gets its name from the content.

A form with method=dialog lets a submit button close the dialog without custom close plumbing.

Dialog questions

Why use dialog instead of a div?

The native element provides modal state, top-layer rendering, and built-in close behavior when opened with showModal().

How does the close button work?

The button submits the surrounding form with method=dialog, which closes the dialog and sets its return value.

Does this handle focus management?

Native modal dialogs manage the basic focus behavior. Test your final content and add app-specific focus handling when needed.