Notification.onshow

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Summary
Syntax
Specifications
Browser compatibility
See also

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Summary

Notification 接口的onshow属性指定一个事件侦听器来接收 show事件。

当一个 Notification 显示时，会发生这些事件。

Syntax

Notification.onshow = function() { ... };

Specifications

This event handler is no longer listed in the Notifications API spec.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
Basic support	Chrome Full support 22 Notes Full support 22 Notes Notes Before Chrome 22, the support for notification followed an old prefixed version of the specification and used the `navigator.webkitNotifications` object to instantiate a new notification. Before Chrome 32, `Notification.permission` was not supported. Before Chrome 42, service worker additions were not supported. Starting in Chrome 49, notifications do not work in incognito mode. Full support 5 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Edge Full support Yes	Firefox Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: -moz-	IE No support No	Opera Full support 25	Safari Full support 6	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android ?
Available in workers	Chrome Full support 45	Edge Full support Yes	Firefox Full support 41	IE No support No	Opera Full support 32	Safari ?	WebView Android No support No	Chrome Android Full support 45	Edge Mobile Full support Yes	Firefox Android Full support 41	Opera Android Full support 32	Safari iOS No support No	Samsung Internet Android ?
Secure contexts only	Chrome Full support 62	Edge ?	Firefox ?	IE No support No	Opera Full support 49	Safari ?	WebView Android No support No	Chrome Android Full support 62	Edge Mobile ?	Firefox Android ?	Opera Android Full support 49	Safari iOS No support No	Samsung Internet Android ?
`Notification()` constructor	Chrome Full support 22 Full support 22 Full support 5 Prefixed Prefixed Implemented with the vendor prefix: webkit	Edge Full support Yes	Firefox Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: moz	IE No support No	Opera Full support 25	Safari Full support 6	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: moz	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android ?
`actions`	Chrome Full support 53	Edge Full support 18	Firefox No support No	IE No support No	Opera Full support 39	Safari ?	WebView Android No support No	Chrome Android Full support 53	Edge Mobile No support No	Firefox Android No support No	Opera Android Full support 39	Safari iOS No support No	Samsung Internet Android ?
`badge`	Chrome Full support 53	Edge Full support 18	Firefox No support No	IE No support No	Opera Full support 39	Safari ?	WebView Android No support No	Chrome Android Full support 53	Edge Mobile No support No	Firefox Android No support No	Opera Android Full support 39	Safari iOS No support No	Samsung Internet Android ?
`body`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`data`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`dir`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`icon`	Chrome Full support 22 Full support 22 Full support 5 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Edge ?	Firefox Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: -moz-	IE No support No	Opera Full support 25	Safari No support No	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support 22 Full support 22 Full support 4 Prefixed Prefixed Implemented with the vendor prefix: -moz-	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android ?
`image`	Chrome Full support 53	Edge Full support 18	Firefox No support No	IE No support No	Opera Full support 40	Safari ?	WebView Android No support No	Chrome Android Full support 53	Edge Mobile ?	Firefox Android No support No	Opera Android Full support 40	Safari iOS No support No	Samsung Internet Android ?
`lang`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`maxActions`	Chrome Full support Yes	Edge Full support 18	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`onclick`	Chrome Full support Yes	Edge ?	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`onclose`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`onerror`	Chrome Full support Yes	Edge ?	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`onshow`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`permission`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`renotify`	Chrome Full support 50	Edge No support No	Firefox No support No	IE No support No	Opera Full support 37	Safari No support No	WebView Android No support No	Chrome Android Full support 50	Edge Mobile No support No	Firefox Android No support No	Opera Android Full support 37	Safari iOS No support No	Samsung Internet Android ?
`requireInteraction`	Chrome Full support Yes	Edge Full support 17	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile No support No	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`silent`	Chrome Full support 43	Edge Full support 17	Firefox No support No	IE No support No	Opera Full support 30	Safari No support No	WebView Android No support No	Chrome Android Full support 43	Edge Mobile No support No	Firefox Android No support No	Opera Android Full support 30	Safari iOS No support No	Samsung Internet Android ?
`tag`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`timestamp`	Chrome Full support Yes	Edge Full support 17	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile No support No	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`title`	Chrome Full support Yes	Edge ?	Firefox No support No	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android No support No	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`vibrate`	Chrome Full support 53	Edge No support No	Firefox No support No	IE No support No	Opera Full support 39	Safari ?	WebView Android No support No	Chrome Android Full support 53	Edge Mobile No support No	Firefox Android No support No	Opera Android Full support 39	Safari iOS No support No	Samsung Internet Android ?
`close`	Chrome Full support Yes	Edge ?	Firefox Full support Yes	IE No support No	Opera ?	Safari ?	WebView Android No support No	Chrome Android Full support Yes	Edge Mobile ?	Firefox Android Full support Yes	Opera Android ?	Safari iOS No support No	Samsung Internet Android ?
`requestPermission`	Chrome Full support 46	Edge ?	Firefox Full support 47	IE No support No	Opera Full support 40	Safari ?	WebView Android No support No	Chrome Android Full support 46	Edge Mobile ?	Firefox Android Full support Yes	Opera Android Full support 40	Safari iOS No support No	Samsung Internet Android ?

Legend

Full support: Full support
No support: No support
Compatibility unknown: Compatibility unknown
See implementation notes.: See implementation notes.
Requires a vendor prefix or different name for use.: Requires a vendor prefix or different name for use.

文档标签和贡献者

标签：

Notification.onshow

此页面的贡献者： mdnwebdocs-bot, xgqfrms-GitHub

最后编辑者: mdnwebdocs-bot, Mar 23, 2019, 6:12:09 PM