function

util.types.isDataView

function isDataView(
object: unknown
): object is DataView<ArrayBufferLike>;

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

const ab = new ArrayBuffer(20);
util.types.isDataView(new DataView(ab));  // Returns true
util.types.isDataView(new Float64Array());  // Returns false

See also ArrayBuffer.isView().