d) Loop − Loops the above command until the user presses ctrl-c twice.

like

$ node

> 1 + 3

4

4. Create the first application as Hellow world as.

Create folder day1--> go folder by Cd command -> Now type

2. anonymous method

Function which is not having the name is called anonymous function.

var v = function()

{

console.log("this is anonymous function");

}

v();

3. Arrow function is based on arrow function keys

var v = () => console.log("this is arrow function");

v()

4. Multi line values Arrow function.

var v = (a , b) =>

{

console.log("addition is :");

console.log(a + b);

};

v(2,3);

In NodeJs Global Object, Object which we can be access by any modules.

We do not need to include these objects in our application, rather we can use them directly

// __dirname : it use to check the directive name.

console.log(__dirname)

// Require : include any out side module in page.

var requireTest = require("./requiretest");

console.log(requireTest.abc);

Creating your own module.

Requiretest.js

const name = "Satya Rathore";

module.exports.abc = name;

Some other global object are