ServiceWorkerContainer: controllerchange event
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The controllerchange
event of the ServiceWorkerContainer
interface fires when the document's associated ServiceWorkerRegistration
acquires a new active
worker.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
js
addEventListener("controllerchange", (event) => {});
oncontrollerchange = (event) => {};
Event type
A generic Event
.
Example
js
navigator.serviceWorker.addEventListener("controllerchange", () => {
console.log("The controller of current browsing context has changed.");
});
Specifications
Specification |
---|
Service Workers # dom-serviceworkercontainer-oncontrollerchange |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
controllerchange event |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
The compatibility table on 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.