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• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

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.

冒泡	No
可取消	Yes
接口	事件
Event handler	oncancel

范例

实时范例

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();
});
					

结果

规范

规范	状态
HTML 实时标准 The definition of 'cancel' in that specification.	实时标准

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
cancel event	Chrome Yes	Edge 79	Firefox 78	IE No	Opera ?	Safari No	WebView Android No	Chrome Android No	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android No

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

另请参阅

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

元数据

• 最后修改： Jul 27, 2020

相关话题

1. HTMLDialogElement
2. 特性

   1. open
   2. returnValue
3. 方法

   1. close()
   2. show()
   3. showModal()
4. 事件

   1. cancel
   2. close