
Code
Device Posture API: Detect Foldable Screen Posture on Web
The Device Posture API helps web apps adapt to foldable devices by detecting whether a screen is continuous or folded and reacting to posture changes.

The Device Posture API helps web apps adapt to foldable devices by detecting whether a screen is continuous or folded and reacting to posture changes.

Device Orientation Events let web apps read a phone’s real-world tilt and rotation. This demo streams alpha/beta/gamma values, smooths jitter, and maps motion to a 3D box—while handling HTTPS requirements and iOS permission prompts.

Use the Device Memory API to bucket users by RAM and serve right‑sized images and effects. It’s a coarse, privacy‑friendly hint for progressive enhancement.
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