ServiceWorkerGlobalScope: contentdelete event - Web APIs
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 oncontentdelete examples the following example uses a contentdelete event handler to remove cached content related to the deleted index item. ...
...ce is fired when an item is removed from the indexed content via the user agent. bubbles no cancelable no interface contentindexevent event handler property oncontentdelete examples the following example uses a contentdelete event handler to remove cached content related to the deleted index item. self.addeventlistener('contentdelete', event => { event.waituntil( caches.open('cache-name').then(cache => { return promise.all([ cache.delete(`/icon/${event.id}`), cache.delete(`/content/${event.id}`) ]) }) ); }); you can also set up the event handler using the serviceworkerglobalscope.ondelete property: self.oncontentdelete = (event) => { ... }; specifications specification...
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ServiceWorkerGlobalScope.oncontentdelete - Web APIs
the oncontentdelete property of the serviceworkerglobalscope interface is an event handler fired when an item is removed from the indexed content via the user agent. syntax serviceworkerglobalscope.oncontentdelete = function(event) { ... }; examples the following example uses a contentdelete event handler to remove cached content related to the deleted index item. self.addeventlistener('contentdelete', event => { event.waituntil( caches.open('cache-name').then(cache => { return promise.all([ cache.delete(`/icon/${event.id}`), cache.delete(`/content/${event.id}`) ]) }) ); }); specifications specification status comment unknownthe definition of 'contentdelete' in that specification. unknown initial definition. ...

Content Index API - Web APIs
for a cached media file, for example, can't be indexed directly. instead, you need to provide a url for a page that displays media, and which works offline. interfaces contentindex the contentindex interface provides functionality to register content available offline. ...
...this happens when content is removed by the user agent. examples all the following examples assume a service worker has been registered. for more information see the service worker api. ...
...ntdelete event. service worker additions the following additions to the serviceworker have been specified in the content index api spec to provide an entry point for using content indexing. serviceworkerregistration.index read only returns a reference to the contentindex interface for indexing cached pages. serviceworkerglobalscope.oncontentdelete an event handler fired whenever a contentdelete event occurs. this happens when content is removed by the user agent. examples all the following examples assume a service worker has been registered. for more information see the service worker api. feature detection and interface access here we get a reference to the serviceworkerregistration, then check for the index property, which gives us access to the content index interface. // refe...
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ContentIndexEvent - Web APIs
it is not fired when the contentindex.delete method is called. constructor contentindexevent() creates and returns a new contentindexevent object whose type and other options are configured as specified. ...
...it is not fired when the contentindex.delete method is called. constructor contentindexevent() creates and returns a new contentindexevent object whose type and other options are configured as specified. ...
... properties listed below, this interface inherits the properties of its parent interface, extendableevent. id read only a string which identifies the deleted content index via it's id. methods while contentindexevent offers no methods of its own, it inherits any specified by its parent interface, extendableevent. examples this example shows the sevice worker script listening for the contentdelete event and logs the removed content index id. self.addeventlistener('contentdelete', (event) => { console.log(event.id); // logs content index id, which can then be used to determine what content to delete from your cache }); specifications specification status comment unknownthe definition of 'contentindexevent' in that specification. unknown initial defin...

ContentIndexEvent() - Web APIs
want to populate the contentindexevent object with. the options are: id: the id of the indexed content you want the contentindexevent to remove. return value a contentindexevent object configured using the given inputs. examples this examples constructs a new contentindexevent with the relevant id. var removedata = { id : 'unique-content-id' } var cievent = new contentindexevent('contentdelete', removedata); cievent.id; // should return 'unique-content-id' specifications specification status comment unknownthe definition of 'contentindexevent' in that specification. unknown initial definition. ...

ContentIndexEvent.id - Web APIs
the read-only id property of the contentindexevent interface is a string which identifies the deleted content index via it's id. syntax var id = contentindexevent.id; value a string representation of the deleted content index id. examples this example listens for the contentdelete event and logs the removed content index id. the contentindexevent is only available to the {domxref('serviceworkerglobalscope','global scope')}} of a serviceworker. self.addeventlistener('contentdelete', (event) => { console.log(event.id); // logs content index id, which can then be used to determine what content to delete from your cache }); specifications specification status comment unknownthe definition of 'id' in that specification. unknown initial definition. ...

ServiceWorkerGlobalScope - Web APIs
contains the serviceworkerregistration object that represents the service worker's registration. serviceworkerglobalscope.caches read only contains the cachestorage object associated with the service worker. events activate occurs when a serviceworkerregistration acquires a new serviceworkerregistration.active worker. also available via the serviceworkerglobalscope.onactivate property. contentdelete occurs when an item is removed from the content index. also available via the serviceworkerglobalscope.oncontentdelete property. fetch occurs when a fetch() is called. also available via the serviceworkerglobalscope.onfetch property. install occurs when a serviceworkerregistration acquires a new serviceworkerregistration.installing worker. also available via the serviceworkerglobalscope.