注意: 此特征可用于 Web 工作者 .

安全上下文
此特征只可用于 安全上下文 (HTTPS),在某些或所有 支持浏览器 .

icon 只读特性在 Notification interface contains the URL of an icon to be displayed as part of the notification, as specified in the icon option of the Notification() 构造函数。

句法

var icon = Notification.icon;
					

A USVString .

范例

In our To-do list app ( view the app running live ), we use the Notification() constructor to fire a notification, passing it arguments to specify the body, icon and title we want.

var notification = new Notification('To do list', {
  body: text,
  icon: img
});
					

规范

规范 状态 注释
Notifications API
The definition of 'icon' in that specification.
实时标准 Living standard

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
icon Chrome 22
22
5 Prefixed
Prefixed Implemented with the vendor prefix: webkit
Edge 14 Firefox 22
22
4 Prefixed
Prefixed Implemented with the vendor prefix: moz
IE No Opera 25 Safari No WebView Android No Chrome Android Yes Firefox Android 22
22
4 Prefixed
Prefixed Implemented with the vendor prefix: moz
Opera Android Yes Safari iOS No Samsung Internet Android Yes

图例

完整支持

完整支持

不支持

不支持

要求使用供应商前缀或不同名称。

要求使用供应商前缀或不同名称。

另请参阅

元数据

  • 最后修改:
  1. Notifications API
  2. Notification
  3. 构造函数
    1. Notification()
  4. 特性
    1. actions
    2. badge
    3. body
    4. data
    5. dir
    6. icon
    7. image
    8. lang
    9. maxActions
    10. onclick
    11. onclose
    12. onerror
    13. onshow
    14. permission
    15. renotify
    16. requireInteraction
    17. silent
    18. tag
    19. timestamp
    20. title
    21. vibrate
  5. 方法
    1. close()
    2. requestPermission()
  6. 继承:
    1. EventTarget
  7. Related pages for Web Notifications
    1. NotificationEvent
    2. ServiceWorkerGlobalScope.onnotificationclick
    3. ServiceWorkerRegistration.getNotifications()
    4. ServiceWorkerRegistration.showNotification()

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