This feature is not Baseline because it does not work in some of the most widely-used browsers.
Note: This feature is available in Web Workers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The toJSON() method of the DeprecationReportBody interface is a serializer, and returns a JSON representation of the InterventionReportBody object.
toJSON()
None.
A JSON object that is the serialization of the DeprecationReportBody object.
In this example we create a new ReportingObserver to observe deprecation reports, then return a JSON representation of the first entry.
let options = {
types: ["deprecation"],
buffered: true,
};
let observer = new ReportingObserver((reports, observer) => {
let firstReport = reports[0];
console.log(firstReport.toJSON());
}, options);
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
toJSON |
69 | 79 | No | 56 | No | 69 | No | 48 | No | 10.0 | 69 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/DeprecationReportBody/toJSON