ServiceWorkerGlobalScope: contentdelete event


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The contentdelete event of the ServiceWorkerGlobalScope interface is fired when an item is removed from the indexed content via the user agent.

Bubbles No
Cancelable No
Interface ContentIndexEvent
Event handler property ServiceWorkerGlobalScope.oncontentdelete


The following example uses a contentdelete event handler to remove cached content related to the deleted index item.

self.addEventListener('contentdelete', event => {
  event.waitUntil('cache-name').then(cache => {
      return Promise.all([

You can also set up the event handler using the ServiceWorkerGlobalScope.ondelete property:

self.oncontentdelete = (event) => {


Specification Status Comment
Content Index API
The definition of 'contentdelete' in that specification.
Editor's Draft Initial definition.

Browser compatibility

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See also