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Timeout.prototype.unref - timers - Node documentation
method Timeout.prototype.unref

Usage in Deno

import { Timeout } from "node:timers";
Timeout.prototype.unref(): this

When called, the active Timeout object will not require the Node.js event loop to remain active. If there is no other activity keeping the event loop running, the process may exit before the Timeout object's callback is invoked. Calling timeout.unref() multiple times will have no effect.

Return Type

this

a reference to timeout