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BackgroundFetchRegistration: id property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

Note: This feature is available in Web Workers.

The id read-only property of the BackgroundFetchRegistration interface returns a copy of the background fetch's ID.

Value

A string.

Examples

Logging the this part to the console returns the identifier set when registering the fetch. In this case, "my-fetch".

console.log(bgFetch.id); // "my-fetch"

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
id 74 79 No 62 No 74 No 53 No 11.0 No No

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https://developer.mozilla.org/en-US/docs/Web/API/BackgroundFetchRegistration/id