Unverified50% confidenceFactExact time

Only a Durable Object's alarm() runs in a clean root IoContext, with no inherited cdn-loop header and no 30-second post-response wall-clock limit, provided that alarm() starts the task via doCtx.waitUntil and then exits immediately.

1

Sources

50%

Confidence

Long-term

Relevance

10/20/2026

First Seen

Sources

Migrating 100K Lines of Deno Code to Cloudflare Workers in Practice

Related Entities

Durable Objectsproduct alarm()concept IoContextconcept

Related Claims

UnverifiedAlarm clock apps such as Alarmy adopt a similar anti-oversleeping approach, requiring users to photograph a specified object, scan a QR code, solve a math problem, or perform a shaking action to dismiss the alarm.61% similar

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