What does a hanging promise mean in JavaScript?

A pending Promise that never settles — leaks resources, blocks flows.

How do you cancel a JavaScript promise?

Use AbortController's signal in fetch/timers; manually propagate in custom async.

Great for durable workflows; overkill for client-side apps.

💻 Programming Languages

JavaScript promises resist cancellation by design. But hacks exist, raising risks in production code.

theAIcatchup Apr 07, 2026 3 min read

Published by

Community-driven. Code-first.

#Inngest #Promises #async cancellation #cancellation

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Originally reported by Reddit r/programming