WindowOrWorkerGlobalScope

The WindowOrWorkerGlobalScope mixin describes several features common to the Window and WorkerGlobalScope interfaces. Each of these interfaces can, of course, add more features in addition to the ones listed below.

Properties

These properties are defined on the WindowOrWorkerGlobalScope mixin, and implemented by Window and WorkerGlobalScope.

Methods

These properties are defined on the WindowOrWorkerGlobalScope mixin, and implemented by Window and WorkerGlobalScope.

WindowOrWorkerGlobalScope.atob()

Decodes a string of data which has been encoded using base-64 encoding.

WindowOrWorkerGlobalScope.btoa()

Creates a base-64 encoded ASCII string from a string of binary data.

WindowOrWorkerGlobalScope.clearInterval()

Cancels the repeated execution set using WindowOrWorkerGlobalScope.setInterval().

WindowOrWorkerGlobalScope.clearTimeout()

Cancels the delayed execution set using WindowOrWorkerGlobalScope.setTimeout().

WindowOrWorkerGlobalScope.createImageBitmap()

Accepts a variety of different image sources, and returns a Promise which resolves to an ImageBitmap. Optionally the source is cropped to the rectangle of pixels originating at (sx, sy) with width sw, and height sh.

WindowOrWorkerGlobalScope.fetch()

Starts the process of fetching a resource from the network.

WindowOrWorkerGlobalScope.setInterval()

Schedules a function to execute every time a given number of milliseconds elapses.

WindowOrWorkerGlobalScope.setTimeout()

Schedules a function to execute in a given amount of time.

Specifications

Specification	Status	Comment
WHATWG HTML Living Standard The definition of 'WindowOrWorkerGlobalScope mixin' in that specification.	Living Standard	This is where the main mixin is defined.
Fetch The definition of 'fetch()' in that specification.	Living Standard	Definition of the fetch() method.
Service Workers The definition of 'caches' in that specification.	Working Draft	Definition of the caches property.
Indexed Database API 2.0 The definition of 'indexedDB' in that specification.	Editor's Draft	Definition of the indexedDB property.
Secure Contexts The definition of 'isSecureContext' in that specification.	Working Draft	Definition of the isSecureContext property.

Browser compatibility

See also

• Window
• WorkerGlobalScope