This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The PushEvent()
constructor creates a new PushEvent
object. Note that the this constructor is exposed only to a service worker context.
Syntax
var myPushEvent = new PushEvent(type, eventInitDict);
Parameters
- type
- A
DOMString
defining the type ofPushEvent
. This can bepush
orpushsubscriptionchange
. - eventInitDict Optional
- An options object containing any initialization data you want to populate the
PushEvent
object with. The options are:data
: The data you want thePushEvent
to contain, if any. When the constructor is invoked, thePushEvent.data
property of the resulting object will be set to a newPushMessageData
object containing bytes extracted from theeventInitDict data
member.
Example
var dataInit = { data : 'Some sample text' } var myPushEvent = new PushEvent('push', dataInit); myPushEvent.data.text(); // should return 'Some sample text'
Specifications
Specification | Status | Comment |
---|---|---|
Push API The definition of 'PushEvent' in that specification. |
Working Draft | Initial definition. |
Browser Compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 42.0 | 44.0 (44.0)[1][2] | No support | ? | No support |
data property |
No support | 44.0 (44.0)[2] | No support | No support | No support |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | No support | 48.0 (48)[3] | No support | No support | No support | No support | 42.0 |
data property |
No support | No support | 48.0 (48)[3] | No support | No support | No support | No support | No support |
- [1] Currently enabled in Nightly/Developer Edition/Beta by default, but not in the Release channel (bug 1208560.)
- [2] Push (and Service Workers) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)
- [3] Push has been enabled by default on Firefox for Android version 48.
See also
Document Tags and Contributors
Tags:
Contributors to this page:
chrisdavidmills
Last updated by:
chrisdavidmills,