BackgroundFetchRegistration: uploadTotal 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 uploadTotal read-only property of the BackgroundFetchRegistration interface returns the total number of bytes to be sent to the server.

Value

Examples

Logging this property to the console returns the total number of this upload.

js
console.log(bgFetch.uploadTotal);

Specifications

Specification
Background Fetch
# dom-backgroundfetchregistration-uploadtotal

Browser compatibility

BCD tables only load in the browser