WindowOrWorkerGlobalScope mixin describes several features common to the
WorkerGlobalScope interfaces. Each of these interfaces can, of course, add more features in addition to the ones listed below.
WindowOrWorkerGlobalScope is a mixin and not an interface; you can't actually create an object of type
- Returns the
CacheStorageobject associated with the current context. This object enables functionality such as storing assets for offline use, and generating custom responses to requests.
- Provides a mechanism for applications to asynchronously access capabilities of indexed databases; returns an
- Returns a boolean indicating whether the current context is secure (
true) or not (
- Returns the origin of the global scope, serialized as a string.
- Decodes a string of data which has been encoded using base-64 encoding.
- Creates a base-64 encoded ASCII string from a string of binary data.
- Cancels the repeated execution set using
- Cancels the delayed execution set using
- Accepts a variety of different image sources, and returns a
Promisewhich resolves to an
ImageBitmap. Optionally the source is cropped to the rectangle of pixels originating at (sx, sy) with width sw, and height sh.
- Starts the process of fetching a resource from the network.
- Schedules a function to execute every time a given number of milliseconds elapses.
- Schedules a function to execute in a given amount of time.
|HTML Living Standard
The definition of '
|Living Standard||This is where the main mixin is defined.|
The definition of 'fetch()' in that specification.
|Living Standard||Definition of the
The definition of 'caches' in that specification.
|Working Draft||Definition of the
|Indexed Database API 2.0
The definition of 'indexedDB' in that specification.
|Recommendation||Definition of the
The definition of 'isSecureContext' in that specification.
|Candidate Recommendation||Definition of the
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
|Feature||Firefox (Gecko)||Chrome||Edge||Internet Explorer||Opera||Safari|
|Basic support||52 (52)||54||?||?||?||?|
|Feature||Android Webview||Edge||Firefox Mobile (Gecko)||Android||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||?||?||52.0 (52)||?||?||?||?||54|