HTMLDialogElement: cancel event

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.

Bubbles	No
Cancelable	Yes
Interface	`Event`
Event handler	`oncancel`

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>

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

Specification
HTML Standard (HTML) # event-cancel

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`cancel_event`	Yes	79	78	No	?	No	No	No	No	No	No	No