worker.workerData
任意的 JavaScript 值,其中包含传给该线程的 Worker
构造函数的数据的克隆。
¥An arbitrary JavaScript value that contains a clone of the data passed
to this thread's Worker
constructor.
根据 HTML 结构化克隆算法,数据被克隆,就像使用 postMessage()
一样。
¥The data is cloned as if using postMessage()
,
according to the HTML structured clone algorithm.
const { Worker, isMainThread, workerData } = require('node:worker_threads');
if (isMainThread) {
const worker = new Worker(__filename, { workerData: 'Hello, world!' });
} else {
console.log(workerData); // Prints 'Hello, world!'.
}