Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is only available in Service Workers.
The json() method of the PushMessageData interface extracts push message data by parsing it as a JSON string and returning the result.
json()
None.
The result of parsing push event data as JSON. This could be anything that can be represented by JSON — an object, an array, a string, a number…
self.addEventListener("push", (event) => {
const myData = event.data.json();
// do something with your data
});
| Specification |
|---|
| Push API> # dom-pushmessagedata-json> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
json |
50 | 17 | 44 | 37 | 16Notifications are supported on macOS Ventura and later. |
50 | 48 | 37 | 16.4Notifications are supported in web apps saved to the home screen. |
5.0 | No | NoNotifications are supported in web apps saved to the home screen. |
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https://developer.mozilla.org/en-US/docs/Web/API/PushMessageData/json