BackgroundFetchRecord
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
Note: This feature is available inWeb Workers.
TheBackgroundFetchRecord interface of theBackground Fetch API represents an individual request and response.
ABackgroundFetchRecord is created by theBackgroundFetchRegistration.matchAll() method, therefore there is no constructor for this interface.
There will be oneBackgroundFetchRecord for each resource requested byfetch().
Instance properties
requestRead onlyExperimentalReturns a
Request.responseReadyRead onlyExperimentalReturns a promise that resolves with a
Response.
Examples
In this example an individualBackgroundFetchRecord is returned usingBackgroundFetchRegistration.matchAll(). TheBackgroundFetchRecord.request andBackgroundFetchRecord.responseReady are returned and logged to the console.
bgFetch.match("/ep-5.mp3").then(async (record) => { if (!record) { console.log("No record found"); return; } console.log(`Here's the request`, record.request); const response = await record.responseReady; console.log(`And here's the response`, response);});Specifications
| Specification |
|---|
| Background Fetch # background-fetch-record-interface |