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 90

End Date 04/06/2021

Resources

Surface Duo Developer Docs

• CSS screen-spanning media feature docs: Learn more about CSS screen-spanning media feature on Docs
• JavaScript Window Segments Enum API Docs: Learn more about JavaScript Window Segments Enum API on Docs
• Sample web apps: Learn more about Sample web apps on Docs

Explainers

• CSS screen-spanning explainer on EdgeExplainers GitHub repo: Go to EdgeExplainers Repo
• JavaScript Window Segments Enum API explainer on Second-screen WG repo: Visit the Repo

BlinkDev

• Intent to protoptype

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