PushMessageData.json()

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The json() method of the PushMessageData interface extracts push message data by parsing it as a JSON string and returning the result.

Syntax

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', function(event) {
  var myData = event.data.json();

  // do something with your data
});

Specification
Push API # dom-pushmessagedata-json

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`json`	50	17	44 Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.	No	37	No	No	50	48	37	No	5.0

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/PushMessageData/json