Cache.delete()
The delete()
method of the Cache
interface
finds the Cache
entry whose key is the request, and if found, deletes the
Cache
entry and returns a Promise
that resolves to
true
. If no Cache
entry is found, it resolves
to false
.
Syntax
delete(request)
delete(request, options)
Parameters
request
-
The
Request
you are looking to delete. This can be aRequest
object or a URL. options
Optional-
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
. ignoreMethod
-
A boolean value that, when set to
true
, prevents matching operations from validating theRequest
HTTP
method (normally onlyGET
andHEAD
are allowed.) It defaults tofalse
. 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 theResponse
object has aVARY
header. It defaults tofalse
. cacheName
-
A string that represents a specific cache to search within. Note that this option is ignored by
Cache.delete()
.
Return value
a Promise
that resolves to true
if the cache entry is
deleted, or false
otherwise.
Examples
caches.open('v1').then(function(cache) {
cache.delete('/images/image.png').then(function(response) {
someUIUpdateFunction();
});
})
Specifications
Specification |
---|
Service Workers 1 # cache-delete |
Browser compatibility
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