HTMLDialogElement: cancel event - Web APIs 编辑

The cancel event fires on a <dialog> when the user instructs the browser that they wish to dismiss the current open dialog. For example, the browser might fire this event when the user presses the Esc key or clicks a "Close dialog" button which is part of the browser's UI.

Examples

Live example

HTML

<dialog class="example-dialog">
    <button class="close" type="reset">Close</button>
</dialog>

<button class="open-dialog">Open dialog</button>

<div class="result"></div>

CSS

button, div {
    margin: .5rem;
}

JS

const result = document.querySelector('.result');

const dialog = document.querySelector('.example-dialog');

dialog.addEventListener('cancel', (event) => {
  result.textContent = 'dialog was canceled';
});

const openDialog = document.querySelector('.open-dialog');
openDialog.addEventListener('click', () => {
  if (typeof dialog.showModal === 'function') {
      dialog.showModal();
      result.textContent = '';
  } else {
      result.textContent = 'The dialog API is not supported by this browser';
  }
});

const closeButton = document.querySelector('.close');
closeButton.addEventListener('click', () => {
    dialog.close();
});

Result

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• GlobalEventHandlers.oncancel
• HTML <dialog> element
• close