tabs.SPLIT_VIEW_ID_NONE

A special ID value given to tabs that aren't in a split view.

Its value is -1.

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
SPLIT_VIEW_ID_NONE
Chrome – Full support
Chrome 140 (Release date: 2025-09-02)
footnote Full support
Edge – Full support
Edge 140 (Release date: 2025-09-05)
footnote Full support
Firefox – Full support
Firefox 149 (Release date: 2026-03-24)
footnote Full support
Opera – Full support
Opera 124 (Release date: 2025-11-13)
footnote Full support
Safari – No support
Safari
footnote No support
Firefox for Android – Full support
Firefox for Android 149 (Release date: 2026-03-24)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support

Legend

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

Full support
Full support
No support
No support