JS Self-Profiling API

A web-exposed sampling profiler for measuring client JavaScript execution time.
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Canvas2d Context Lost event

Introduces an API that allows canvases to be discarded by the browser and re-drawn by the web application on demand.
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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.
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Web App Protocol Handler Registration

Support registering a PWA for protocol handling via the web app manifest.
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Delegated Ink Trail Presentation

Allows web developers to leverage new primitives for improving ink latency in their applications. The current version of the Origin Trial is not yet wired up to Windows OS APIs given they are not yet publicly available.
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Microsoft Edge オリジン試用版開発者コンソール

JS Self-Profiling API

Canvas2d Context Lost event

Dual-screen and foldable devices CSS and JavaScript Primitives

Web App Protocol Handler Registration

Delegated Ink Trail Presentation

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