Microsoft Edge Origin Trials Developer Console

Dual-screen and foldable devices CSS and JavaScript Primitives

CSS media feature and a companion JavaScript API to help developers effectively detect dual-screen and foldable form factor and lay content out when the browser window is spanned across multiple display regions.

Available from Microsoft Edge 86 to 92

End Date 06/30/2021

Resources

Surface Duo Developer Docs

Explainers

BlinkDev

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