Assignment 2.1

 

//01

var express = require('express');

var app =express();

app.get('/',function(req,res){

    res.send("Hello World")

})

//02

const express = require('express');

const app =express();

const port = 3000

app.get('/',function(req,res){

    res.send("Hello World")

})

app.listen(port,() =>{

    console.log('app listenting example on port ${port}')

})

//03

const express = require('express');

const app =express();

const port = 3000

app.get('/hello',function(req,res){

    res.send("Hello Zaahid")

})

app.post('/hello',function(req,res){

    res.send("Hello Zaahid")

})

app.listen(port);

//04

var express = require('express');

var app =express();

var things = require('./things');

app.use('/things', things);

app.listen(3000);

//05

var express = require('express');

var app= express();

app.get('/:id',function(req, res){

    res.send("The id you specified is"+req.params.id);

});

app.listen(3000);

//06

var express = require('express');

var app= express();

app.get('/things/:name/:id',function(req, res){

    res.send("ID:"+req.params.id + 'and name' +req.params.name);

   

});

app.listen(3000);

//07

var express = require('express');

var app= express();

app.get('/things/:id([0-9]{5})',function(req, res){

    res.send("ID:" +req.params.id);

   

});

app.listen(3000);

//08

var express = require('express');

var app= express();

app.get('/things/:id([0-9]{5})',function(req, res){

   res.send("ID:" +req.params.id);

   

});

//Other routes here

app.get('*', function(req, res){

   res.send('Sorry, this is an invalid URL.');

});

app.listen(3000);

//09

var express = require('express');

var app = express();

app.use('/things', function(req, res, next){

   console.log("A new request received at " + Date.now());

   

   next();

});

app.get('/things', function(req, res){

   res.send("Things");

});

app.listen(3000);

//10

var express = require('express');

var app = express();

app.use(function(req, res, next){

   console.log("Start");

   next();

});

app.get('/', function(req, res, next){

   res.send("Middle");

   next();

});

app.use('/', function(req, res){

   console.log('End');

});

app.listen(3000);