Node js slip2

 

Q.1  Create a Node.js Application that uses user defined Module to return the factorial of given number.

//create two files first file name fact.js and second file name Node.js

fact.js

function fact(n){
var f=1;
for(i=1;i<=n;i++)
{
   f=f*i;
};
return f;
};
module.exports=fact;

Node1.js

var fact=require("./fact.js");

console.log("Factorial of a number : ",fact(5));

Output

C:\Users\NEW\nodex>node Node1.js

Factorial of a number :  120