The type of browser window this is.


Values of this type are strings. Possible values are:

  • "normal"
  • "popup"
  • "panel"
  • "devtools"

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes1445 No Yes
panel Yes No45 No Yes
app Yes No45 No Yes
devtools Yes No45 No Yes


This API is based on Chromium's API. This documentation is derived from windows.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.

Document Tags and Contributors

Contributors to this page: irenesmith, chrisdavidmills, wbamberg
Last updated by: irenesmith,