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.RequestUpdateCheckStatusvalue — the result of the update check. detailsOptionalobject. Ifstatusisupdate_available, this contains more information about the update. It is an object containing a single property:-
versionstring. The update's version.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||
|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Firefox for Android | |
| Basic support | Chrome Full support 25 | Edge No support No | Firefox No support No | Opera Full support 15 | Firefox 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.
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