Difference between readFile and createReadStream in Node.js — Node.js Technical Interview Questions & Answers

Difference between readFile and createReadStream in Node.js

Difference between readFile and createReadStream in Node.js

  • Difference between readFile and createReadStream (in node js) is a Node.js topic. In plain words you use it for read a big CSV in an upload job. Don’t start with a slogan — start with that picture.
  • Smallest example: createReadStream. Type it, run it, and say what you see. If you can do that from memory, you know Difference between readFile and createReadStream (in node js).
  • From the example next to this theory: Difference between readFile and createReadStream in Node.
  • Trap: loading the whole file into RAM. Fix that before you talk about advanced Node.js.
  • Viva: what is Difference between readFile and createReadStream (in node js)? Then show createReadStream. Then name the trap.

Technical Interview Tip: What is Difference between readFile and createReadStream (in node js)? Show this: createReadStream. Trap: loading the whole file into RAM.

Code Examples for Difference between readFile and createReadStream in Node.js

Difference between readFile and createReadStream in Node.js — working example

const fs = require("fs");
const path = require("path");

const file = path.join(__dirname || ".", "demo.txt");
fs.writeFileSync(file, "hello node\n");
const text = fs.readFileSync(file, "utf8");
console.log(text.trim());
fs.unlinkSync(file);

Difference between readFile and createReadStream in Node.js — fs reads/writes files. Prefer promises/async APIs in real apps.

How to Explain Difference between readFile and createReadStream in Node.js to an Interviewer

What is Difference between readFile and createReadStream (in node js)?

Used for read a big CSV an upload job Not just the heading

Give one small example of Difference between readFile and createReadStream (in node js).

createReadStream Difference between readFile and createReadStream in Node

What mistake do beginners make with Difference between readFile and createReadStream (in node js)?

loading the whole file into RAM Show the fix

Where do you use Difference between readFile and createReadStream (in node js)?

an upload job read a big CSV