worker_threads.isMarkedAsUntransferable

History

worker_threads.isMarkedAsUntransferable(object): boolean

Attributes

object:any

Any JavaScript value.

Returns:boolean

Check if an object is marked as not transferable with markAsUntransferable().

import { markAsUntransferable, isMarkedAsUntransferable } from 'node:worker_threads';

const pooledBuffer = new ArrayBuffer(8);
markAsUntransferable(pooledBuffer);

isMarkedAsUntransferable(pooledBuffer);  // Returns true.

JavaScript

const { markAsUntransferable, isMarkedAsUntransferable } = require('node:worker_threads');

const pooledBuffer = new ArrayBuffer(8);
markAsUntransferable(pooledBuffer);

isMarkedAsUntransferable(pooledBuffer);  // Returns true.

JavaScript

There is no equivalent to this API in browsers.