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JS-Assignment-3.js
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JS-Assignment-3.js
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// Using for loops, write a Javascript program to output the following pattern
let count = 1 ;
for (let i = 1; i <= 4; i++) {
for (let j = 1; j <= i; j++) {
process.stdout.write(`${count} `);
count++
}
console.log("\n");
}
// Write a program to find whether a given number is armstrong number or not
const armstrong = (num) => {
let local = num
let finalNum = 0
while (local > 0) {
let rem = local % 10;
finalNum = (finalNum) + (rem * rem * rem);
local = Math.floor(local / 10);
}
if(num === finalNum) console.log("Is armstrong");
else console.log("Not Armstrong");
}
armstrong(153)
// Write a program to find whether a given number is special number or not
const specialNumber = (n) => {
let num, number, lastdigit, sumOfFact = 0;
number = n ;
num = number;
while (number > 0)
{
lastdigit = number % 10;
let fact=1;
for(let i=1; i<=lastdigit; i++){
fact=fact*i;
}
sumOfFact = sumOfFact + fact;
number = Math.floor(number / 10);
}
if(num===sumOfFact){
console.log(num+ " is a special number.");
}
else{
console.log(num+ " is not a special number.")
}
}
specialNumber(145)