ServiceWorker: error event
The error
event fires whenever an error occurs in the service worker.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('error', event => { });
onerror = event => { };
Event type
A generic Event
.
Example
The following code snippet gets a handle to the ServiceWorker
object via ServiceWorkerRegistration.active
and sets up an onerror
handler on the resulting object:
// in the page being controlled
if (navigator.serviceWorker) {
navigator.serviceWorker.register('service-worker.js');
navigator.serviceWorker.ready.then(registration => {
registration.active.onerror = (event) => {
console.log('An error occurred in the service worker!');
};
});
}
Specifications
No specification found
No specification data found for api.ServiceWorker.error_event
.
Check for problems with this page or contribute a missing spec_url
to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
Browser compatibility
No compatibility data found for api.ServiceWorker.error_event
.
Check for problems with this page or contribute missing data to mdn/browser-compat-data.