worker.isMarkedAsUntransferable(object)

• object <any> 任何 JavaScript 值。

  ¥object <any> Any JavaScript value.

• 返回：<boolean>

  ¥Returns: <boolean>

检查对象是否被标记为不可使用 markAsUntransferable() 转移。

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

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

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

isMarkedAsUntransferable(pooledBuffer);  // Returns true. 拷贝

浏览器中没有与此 API 等效的 API。

¥There is no equivalent to this API in browsers.