Return the canonical URL of the captive-portal detection page. Read-only.
captivePortal.canonicalURL
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
canonicalURL |
No | No | 72 | ? | No | No | ? | ? | No | ? | No | ? |
Note: This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.
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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/captivePortal/canonicalURL