[Solved] Identify the error in this code snippet:const { Worker } = require('worker_threads'); const worker = new Worker(); worker.postMessage('Hi'); | Node.js

Node.js - Worker Threads

Identify the error in this code snippet:

const { Worker } = require('worker_threads');
const worker = new Worker();
worker.postMessage('Hi');

AMissing filename argument when creating Worker

BpostMessage() cannot be called on Worker instance

CWorker class is not imported correctly

DpostMessage() requires a callback function

Step-by-Step Solution

Solution:

Step 1: Check Worker constructor usage
The Worker constructor requires a filename or code string argument to run.
Step 2: Identify missing argument
Here, new Worker() is called without any argument, causing an error.
Final Answer:
Missing filename argument when creating Worker -> Option A
Quick Check:
Worker needs filename argument in constructor [OK]

Quick Trick: Always provide filename when creating Worker [OK]

Common Mistakes:

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