Navigator.serviceWorker - Web APIs 编辑

The Navigator.serviceWorker read-only property returns the ServiceWorkerContainer object for the associated document, which provides access to registration, removal, upgrade, and communication with the ServiceWorker.

The feature may not be available in private mode.

Syntax

const workerContainerInstance = navigator.serviceWorker;

Value

ServiceWorkerContainer.

Examples

This code checks if the browser supports service workers.

if ('serviceWorker' in navigator) {
  // Supported!
}

Specifications

Specification	Status	Comment
Service Workers The definition of 'navigator.serviceWorker' in that specification.	Working Draft	Initial definition.

Browser compatibility

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The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

See also

• Service Worker API
• Using Service Workers