isFloat64Array - node__util--types.d.ts - Node

function isFloat64Array

Usage in Deno

```typescript import { isFloat64Array } from "node:node__util--types.d.ts"; ```



isFloat64Array(object: unknown): object is Float64Array

Returns `true` if the value is a built-in [`Float64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array) instance. ```js util.types.isFloat64Array(new ArrayBuffer()); // Returns false util.types.isFloat64Array(new Uint8Array()); // Returns false util.types.isFloat64Array(new Float64Array()); // Returns true ```

Parameters



object: unknown

Return Type

object is Float64Array