This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
The PushMessageData interface of the Push API provides access to push data sent by a server, and methods to manipulate the data.
Properties
None
Methods
PushMessageData.arrayBuffer()- Extracts the data as an
ArrayBufferobject. PushMessageData.blob()- Extracts the data as a
Blobobject. PushMessageData.json()- Extracts the data as a JSON object.
PushMessageData.text()- Extracts the data as a plain text string.
Examples
self.addEventListener('push', function(event) {
if (!(self.Notification && self.notification.permission === 'granted')) {
return;
}
var data = {};
if (event.data) {
data = event.data.json();
}
var title = data.title || "Something Has Happened";
var message = data.message || "Here's something you might want to check out.";
var icon = "images/new-notification.png";
var notification = new Notification(title, {
body: message,
tag: 'simple-push-demo-notification',
icon: icon
});
notification.addEventListener('click', function() {
if (clients.openWindow) {
clients.openWindow('https://example.blog.com/2015/03/04/something-new.html');
}
};
});
Specifications
| Specification | Status | Comment |
|---|---|---|
| Push API The definition of 'PushMessageData' in that specification. |
Working Draft | Initial definition. |
Browser Compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | Not supported | Not supported | Not supported |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | Not supported | Not supported | Not supported | Not supported | Not supported | Not supported |
See also
- Using the Push API
- Push Notifications on the Open Web, Matt Gaunt

