The data
read-only property of the PushEvent
interface returns a reference to a PushMessageData
object containing data sent to the PushSubscription
.
The data
read-only property of the PushEvent
interface returns a reference to a PushMessageData
object containing data sent to the PushSubscription
.
A PushMessageData
object or null
if no data
member is passed when the event instance initialized.
The following example takes data from a PushEvent and displays it on all of the service workers' clients.
js
self.addEventListener("push", (event) => { if (!(self.Notification && self.Notification.permission === "granted")) { return; } const data = event.data?.json() ?? {}; const title = data.title || "Something Has Happened"; const message = data.message || "Here's something you might want to check out."; const icon = "images/new-notification.png"; const notification = new Notification(title, { body: message, tag: "simple-push-demo-notification", icon, }); notification.addEventListener("click", () => { clients.openWindow( "https://example.blog.com/2015/03/04/something-new.html", ); }); });
Specification |
---|
Push API # dom-pushevent-data |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
data |
50 | 17 | 44 | No | 37 | 16Supported on macOS 13 and later |
No | 50 | 48 | 37 | 16.4 | 5.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/PushEvent/data