captivePortal.canonicalURL

Return the canonical URL of the captive-portal detection page. Read-only.

Browser compatibility

Report problems with this compatibility data on GitHub
webextensions-desktopwebextensions-mobile
ChromeEdgeFirefoxOperaSafariFirefox for Android
canonicalURL

Legend

Full support
Full support
No support
No support

Acknowledgements

This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.