isFloat64Array - util/types - Node documentation

function isFloat64Array

isFloat64Array(object: unknown): object is Float64Array

Deprecated

Returns true if the value is a built-in Float64Array instance.

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