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 .

timestamp 只读特性在 Notification interface returns a DOMTimeStamp , as specified in the timestamp option of the Notification() 构造函数。

The notification's timestamp can represent the time, in milliseconds since 00:00:00 UTC on 1 January 1970, of the event for which the notification was created, or it can be an arbitrary timestamp that you want associated with the notification. For example, a timestamp for an upcoming meeting could be set in the future, whereas a timestamp for a missed message could be set in the past.

句法

var timestamp = Notification.timestamp;
					

值

A DOMTimeStamp .

范例

The following snippet fires a notification; a simple 选项 object is created, then the notification is fired using the Notification() 构造函数。

var dts = Math.floor(Date.now());
var options = {
  body: 'Do you like my body?',
  timestamp: dts
}
var n = new Notification('Test notification',options);
console.log(n.timestamp) // should log original timestamp
					

规范

规范	状态	注释
Notifications API The definition of 'timestamp' 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
timestamp	Chrome Yes	Edge 17	Firefox No	IE No	Opera Yes	Safari ?	WebView Android No	Chrome Android Yes	Firefox Android No	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

兼容性未知 ?

兼容性未知

另请参阅

• Using the Notifications API

元数据

• 最后修改： Jul 23, 2020