Assignment 01

 

const os =require('os');

const fs =require('fs');

const chalk =require('chalk'); //Install it 1st command is-- npm install chalk@4.1.2

//01

console.log('Hello world');

//02

console.log(chalk.green('Hello World'));

//03

var add = (num1, num2) => num1 + num2;

console.log(add(3, 4));

//04 os information

console.log(os.platform());

console.log(os.release());

//05 file read (must have a txt file in same folder named text.txt)

fs.readFile('text.txt', 'utf8', (err, data) => {

    if (err) {

      console.error('Error reading file:', err);

      return;

    }

    console.log(data);

  });

//06 odd even with color

function evenodd(x)

{

if(x%2==0)

{

console.log(chalk.green("even"))

 }

else

{

console.log(chalk.red("odd"))

}

}

evenodd(23)

evenodd(24)

//07 swap number

let a = 5;

let b = 10;

let c = 15

console.log('Before swap:', a, b, c);

[a, b, c] = [b, c,a];

console.log('After swap:', a, b, c);

//08 1 to 10 number odd will be red even will be green

for (let i = 1; i <= 10; i++) {

  if(i%2==0){

    console.log(chalk.green(i))

  }

  else{

    console.log(chalk.red(i))

  }

}