InstallEvent.activeWorker
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The activeWorker
read-only property of the InstallEvent
interface returns the ServiceWorker
that is currently actively controlling the page.
This will return null
if no active worker is already controlling the page.
Value
A ServiceWorker
object.
Examples
self.addEventListener('install', function(event) {
var myActiveWorker = event.activeWorker;
});
Browser compatibility
BCD tables only load in the browser