web api instance property
BackgroundFetchRegistration: uploaded property
Limited availabilityAvailable in workers
The uploaded read-only property of the BackgroundFetchRegistration interface returns the size in bytes successfully sent, initially 0.
If the value of this property changes, the progress event is fired at the associated BackgroundFetchRegistration object.
Value
A Number.
Examples
Logging this property to the console returns the number of bytes uploaded.
console.log(bgFetch.uploaded);
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.