{
  "id": "c161456355ba0abce0a55614",
  "source": "solid:signals",
  "type": "github-document",
  "title": "create-deferred",
  "content": "---\ntitle: createDeferred\nuse_cases: \u003e-\n  performance optimization, idle updates, non-critical ui updates, debouncing\n  changes, reducing re-renders\ntags:\n  - performance\n  - optimization\n  - deferred\n  - idle\n  - updates\nversion: '1.0'\ndescription: \u003e-\n  Defer reactive updates until browser idle with createDeferred. Optimize\n  performance by batching non-critical changes with timeout control.\n---\n\n```ts\nimport { createDeferred } from \"solid-js\"\n\nfunction createDeferred\u003cT\u003e(\n\tsource: () =\u003e T,\n\toptions?: {\n\t\ttimeoutMs?: number\n\t\tequals?: false | ((prev: T, next: T) =\u003e boolean)\n\t\tname?: string\n\t}\n): () =\u003e T\n\n```\n\nCreates a readonly that only notifies downstream changes when the browser is idle.\n`timeoutMs` is the maximum time to wait before forcing the update.\n\n## Options\n\n| Name      | Type                                       | Description                                            |\n| --------- | ------------------------------------------ | ------------------------------------------------------ |\n| timeoutMs | `number`                                   | The maximum time to wait before forcing the update.    |\n| equals    | `false or ((prev: T, next: T) =\u003e boolean)` | A function that returns true if the value has changed. |\n| name      | `string`                                   | The name of the readonly.                              |",
  "url": "https://github.com/solidjs/solid-docs/blob/HEAD/src/routes/reference/secondary-primitives/create-deferred.mdx",
  "metadata": {
    "path": "src/routes/reference/secondary-primitives/create-deferred.mdx",
    "repo": "solidjs/solid-docs",
    "repo_url": "https://github.com/solidjs/solid-docs.git",
    "size": 1362,
    "source_type": "github"
  },
  "hash": "5e7695c0f25de6988dccf95c3fdbe0625b531edd7c0387ba95b351ae2ecf7408",
  "timestamp": "2026-02-23T11:43:00.190554565+01:00"
}