Checks to see if an update for the extension is available.
This is an asynchronous function that returns a
Promise
.
var requestingCheck = browser.runtime.requestUpdateCheck()
None.
A
Promise
that will be fulfilled with two arguments:
status
A
runtime.RequestUpdateCheckStatus
value — the result of the update check.
details
可选
对象
。若
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.
BCD tables only load in the browser
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);
注意：
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.
最后修改： , 由 MDN 贡献者