hello print

NodeProject/data/data.js

@@ -0,0 +1,15 @@
+const StudentsDetail = [
+    {
+    name:"Rahul",
+    rollno:45,
+    marks:56,
+    course:"Btech"
+    },
+    {
+        name:"Radhika",
+        rollno:51,
+        marks:56,
+        course:"Btech"
+    }
+]
+module.exports = StudentsDetail //used for requiring the file

NodeProject/index.js

@@ -0,0 +1,69 @@
+const express = require('express') // express is a variable
+const app = express()
+const path = require('path')
+var bodyParser = require('body-parser')
+const studentData = require('./data/data.js')
+const StudentsDetail = require('./data/data.js')
+
+app.use(express.static(path.join(__dirname, "static"))) //it gives the absolute path (from index.js) //dirname = directory name 
+app.use(express.urlencoded({extended: false}));
+
+app.set('view engine','ejs'); //now we can delete static by using templating language ejs
+app.set('views','./view')
+
+app.get('/newForm',(req,res)=>{
+    res.render('newForm.ejs') 
+})
+
+app.get('/home',(req,res)=>{
+    res.render('home.ejs',{StudentsDetail}) 
+})
+
+app.use(bodyParser.json())
+
+/*app.get('/greet',(req,res)=>{
+    res.send('Hello World')
+})//greet is a kind of path
+
+app.get('/home',(req,res)=>{
+    res.send('HOME')
+})
+
+app.get('/contact',(req,res)=>{
+    res.send('CONTACT')
+})
+
+app.get('/about',(req,res)=>{
+    res.send('ABOUT')
+})*/
+
+app.post('/information',(req,res)=>{
+    const {name, rollno, marks, course} = req.body; //body is a key or attribute in which request data is stored
+
+    const newStudent = {
+        name:name,
+        rollno:rollno,
+        marks:marks,
+        course:course    
+    }
+    console.log(StudentsDetail.length)
+
+    StudentsDetail.push(newStudent);
+
+    // res.send("Student added") //this line is compulsory bcz sending response is compulsory
+
+    res.redirect('/home') 
+})
+
+app.get('/all',(req,res)=>{
+    res.send(StudentsDetail)
+})
+
+app.listen(3000 , ()=>{
+    console.log("Serve is running at port 3000")
+}) 
+
+// listen is used to  make any server //nodemon restart the file automatically / by its own  we dont need to restart the index.js file by our own
+// when we connect with server it gives two thing request and response // get take two  things callback function and route
+
+//<% for (let student of StudentsDetail) { %> //called ejs text