# useDebugValue

**Kind:** Function

**Source:** [`src/jsx/hooks/index.ts`](https://github.com/honojs/hono/blob/main/src/jsx/hooks/index.ts#L373)

**Part of:** [Jsx](subsystem-src-jsx)

## Signature

```ts
function useDebugValue(_value: unknown, _formatter: (value: unknown) => string): void
```

## Parameters

| Name | Type |
|---|---|
| `_value` | `unknown` |
| `_formatter` | `(value: unknown) => string` |

**Returns:** `void`