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In Node.js, what role does the http.createServer() function serve when building a web application?

easy📝 Conceptual Q1 of 15
Node.js - HTTP Module
In Node.js, what role does the http.createServer() function serve when building a web application?
AIt sets up a WebSocket connection for real-time communication.
BIt initializes a database connection for the application.
CIt compiles JavaScript code into machine code for faster execution.
DIt creates an HTTP server that listens for and handles incoming requests.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the function

    The http.createServer() method creates an HTTP server object in Node.js.

  2. Step 2: Purpose

    This server listens for incoming HTTP requests and allows you to define how to respond to them.

  3. Final Answer:

    It creates an HTTP server that listens for and handles incoming requests. -> Option D

  4. Quick Check:

    Creating a server to handle HTTP requests [OK]
Quick Trick: Creates server to handle HTTP requests [OK]
Common Mistakes:
  • Confusing server creation with database setup
  • Thinking it compiles code
  • Mixing HTTP server with WebSocket setup

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