SyncManager

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

See full compatibility

Note: This feature is available in Web Workers.

The SyncManager interface of the Background Synchronization API provides an interface for registering and listing sync registrations.

Instance methods

SyncManager.register(): Create a new sync registration and return a Promise.
SyncManager.getTags(): Return a list of developer-defined identifiers for SyncManager registrations.

Specifications

Specification
Web Background Synchronization # sync-manager-interface

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`SyncManager`	Chrome – Full support Chrome 49 (Release date: 2016-03-02) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 36 (Release date: 2016-03-15) footnote Full support	Safari – No support Safari footnote footnote See bug 182565	Chrome Android – Full support Chrome Android 49 (Release date: 2016-03-09) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 36 (Release date: 2016-03-31) footnote Full support	Safari on iOS – No support Safari on iOS footnote footnote See bug 182565	Samsung Internet – Full support Samsung Internet 5 (Release date: 2016-12-15) footnote Full support	WebView Android – No support WebView Android footnote footnote See bug 40449796	WebView on iOS – No support WebView on iOS footnote footnote See bug 182565
`getTags`	Chrome – Full support Chrome 49 (Release date: 2016-03-02) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 36 (Release date: 2016-03-15) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 49 (Release date: 2016-03-09) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 36 (Release date: 2016-03-31) footnote Full support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Full support Samsung Internet 5 (Release date: 2016-12-15) footnote Full support	WebView Android – No support WebView Android footnote footnote See bug 40449796	WebView on iOS – No support WebView on iOS footnote No support
`register`	Chrome – Full support Chrome 49 (Release date: 2016-03-02) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – No support Firefox footnote No support	Opera – Full support Opera 36 (Release date: 2016-03-15) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 49 (Release date: 2016-03-09) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 36 (Release date: 2016-03-31) footnote Full support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Full support Samsung Internet 5 (Release date: 2016-12-15) footnote Full support	WebView Android – No support WebView Android footnote footnote See bug 40449796	WebView on iOS – No support WebView on iOS footnote No support
Available in workers	Chrome – Partial support Chrome 49 – 60 (Release date: 2016-03-02) footnote Partial support footnote Only available in the `Window` and `ServiceWorker` global scopes. Chrome – Full support Chrome 61 (Release date: 2017-09-05) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – No support Firefox footnote No support	Opera – No support Opera footnote No support	Safari – No support Safari footnote No support	Chrome Android – Partial support Chrome Android 49 – 60 (Release date: 2016-03-09) footnote Partial support footnote Only available in the `Window` and `ServiceWorker` global scopes. Chrome Android – Full support Chrome Android 61 (Release date: 2017-09-05) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – No support Opera Android footnote No support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Partial support Samsung Internet 5 – 7.4 (Release date: 2016-12-15) footnote Partial support footnote Only available in the `Window` and `ServiceWorker` global scopes. Samsung Internet – Full support Samsung Internet 8 (Release date: 2018-07-18) footnote Full support	WebView Android – No support WebView Android footnote footnote See bug 40449796	WebView on iOS – No support WebView on iOS footnote No support

Tip: you can click/tap on a cell for more information.

Full support: Full support
Partial support: Partial support
No support: No support
: See implementation notes.
: Has more compatibility info.

This page was last modified on Apr 15, 2024 by MDN contributors.

Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation.
Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.

SyncManager

Instance properties

Instance methods

Specifications

Browser compatibility

Legend