Advanced / Owner & Introspection

isDisposed

Returns true when an owner has been disposed. Use it to ignore late work after the owner’s component or reactive scope has been removed.

Import

import { isDisposed } from "solid-js";

Type signature

function isDisposed(node: Owner): boolean;

Parameters

`node`

Type: Owner

Examples

function onSettleSafe(fn: () => void) {
  const owner = getOwner();
  queueMicrotask(() => {
    if (owner && isDisposed(owner)) return; // component unmounted; skip
    runWithOwner(owner, fn);
  });
}

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Last updated: 9/27/26, 8:11 AMEdit this pageReport an issue with this page

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