[Solved] You wrote this code to create a worker thread but it throws an error: const { Worker } = require('worker_threads'); const worker = new Worker('console.log("Hello")'); What is the problem? | Node.js

Node.js - Worker Threads

You wrote this code to create a worker thread but it throws an error:

const { Worker } = require('worker_threads');
const worker = new Worker('console.log("Hello")');

What is the problem?

AYou must use cluster.fork() instead of Worker

BWorker constructor requires a file path or URL, not inline code string

CYou forgot to import the cluster module

DWorker threads do not support console.log

Step-by-Step Solution

Solution:

Step 1: Check Worker constructor argument
The Worker constructor expects a file path or URL, not a code string.
Step 2: Identify correct usage
To run inline code, you must use a data URL or separate file.
Final Answer:
Worker constructor requires a file path or URL, not inline code string -> Option B
Quick Check:
Worker needs file path or URL [OK]

Quick Trick: Worker constructor needs file path or URL [OK]

Common Mistakes:

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