runtime.requestUpdateCheck()

Checks to see if an update for the extension is available.

This is an asynchronous function that returns a Promise.

Syntax

var requestingCheck = browser.runtime.requestUpdateCheck()

Parameters

None.

Return value

A Promise that will be fulfilled with two arguments:

status
A runtime.RequestUpdateCheckStatus value — the result of the update check.
detailsOptional
object. If status is update_available, this contains more information about the update. It is an object containing a single property:
version
string. The update's version.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaSafariFirefox for Android
requestUpdateCheckChrome Full support 25Edge Full support 79Firefox No support NoOpera Full support 15Safari No support NoFirefox Android No support No

Legend

Full support  
Full support
No support  
No support

Examples

Request an update, and log the new version if one is available:

function onRequested(status, details) {
  console.log(status);
  if (status === "update_available") {
    console.log(details.version);
  }
}
 
function onError(error) {
  console.log(`Error: ${error}`);
}

var requestingCheck = browser.runtime.requestUpdateCheck(onRequested);
requestingCheck.then(onRequested, onError);
Acknowledgements

This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.