BackgroundFetchRegistration: downloadTotal 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 downloadTotal read-only property of the BackgroundFetchRegistration interface returns the total size in bytes of this download. This is set when the background fetch was registered, or 0 if not set.

Value

Examples

Logging this property to the console returns the total size in bytes of this download.

js
console.log(bgFetch.downloadTotal);

Specifications

Specification
Background Fetch
# dom-backgroundfetchregistration-downloadtotal

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
downloadTotal
Experimental

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.