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The windowId value that represents the absence of a browser window.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
WINDOW_ID_NONEChrome Full support YesEdge Full support 14Firefox Full support 45Opera Full support YesFirefox Android No support No

Legend

Full support  
Full support
No support  
No support

Acknowledgements

This API is based on Chromium's chrome.windows 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.

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このページの貢献者: mdnwebdocs-bot, fscholz, wbamberg
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