Cache: delete() method
{{APIRef("Service Workers API")}}
{{SecureContext_Header}}
{{AvailableInWorkers}}
The delete()
method of the {{domxref("Cache")}}
interface finds the {{domxref("Cache")}}
entry whose key is the request, and if found, deletes the {{domxref("Cache")}}
entry and returns a {{jsxref("Promise")}}
that resolves to true
.
If no {{domxref("Cache")}}
entry is found, it resolves to false
.
Syntax
delete(request)
delete(request, options)
Parameters
-
request
- : The
{{domxref("Request")}}
you are looking to delete. This can be aRequest
object or a URL.
- : The
-
options
{{optional_inline}}
-
: An object whose properties control how matching is done in the
delete
operation. The available options are:ignoreSearch
- : A boolean value that specifies whether the matching process should ignore the query string in the URL.
If set to
true
, the?value=bar
part ofhttp://foo.com/?value=bar
would be ignored when performing a match. It defaults tofalse
.
- : A boolean value that specifies whether the matching process should ignore the query string in the URL.
If set to
ignoreMethod
- : A boolean value that, when set to
true
, prevents matching operations from validating the{{domxref("Request")}}
HTTP
method (normally onlyGET
andHEAD
are allowed.) It defaults tofalse
.
- : A boolean value that, when set to
ignoreVary
- : A boolean value that, when set to
true
, tells the matching operation not to performVARY
header matching. In other words, if the URL matches you will get a match regardless of whether the{{domxref("Response")}}
object has aVARY
header. It defaults tofalse
.
- : A boolean value that, when set to
cacheName
- : A string that represents a specific cache to search within. Note that this option is ignored by
Cache.delete()
.
- : A string that represents a specific cache to search within. Note that this option is ignored by
-
Return value
a {{jsxref("Promise")}}
that resolves to true
if the cache entry is
deleted, or false
otherwise.
Examples
caches.open("v1").then((cache) => {
cache.delete("/images/image.png").then((response) => {
someUIUpdateFunction();
});
});
Specifications
{{Specifications}}
Browser compatibility
{{Compat}}
See also
- Using Service Workers
{{domxref("Cache")}}
{{domxref("Window.caches")}}
and{{domxref("WorkerGlobalScope.caches")}}