java script at backend nodejs
TRANSCRIPT
JavaScript at Backend
Agenda
Agenda1. What?
Agenda1. What?2. Installing
Agenda1. What?2. Installing3. Hello World.
Agenda1. What?2. Installing3. Hello World.4. How to run NodeJS Application.
Agenda1. What?2. Installing3. Hello World.4. How to run NodeJS Application.5. NodeJS Internal Modules
Agenda1. What?2. Installing3. Hello World.4. How to run NodeJS Application.5. NodeJS Internal Modules
○ fs(file-system) (sync vs async)
Agenda1. What?2. Installing3. Hello World.4. How to run NodeJS Application.5. NodeJS Internal Modules
○ fs(file-system) (sync vs async)○ http/https (HTTP Server with NodeJS)
Agenda1. What?2. Installing3. Hello World.4. How to run NodeJS Application.5. NodeJS Internal Modules
○ fs(file-system) (sync vs async)○ http/https (HTTP Server with NodeJS)
6. Handling HTTP Request
About Me
Amit ThakkarTech Blogger @ CodeChutney.inJavaScript LoverWorking on MEAN Stack
Twitter: @amit_thakkar01LinkedIn: linkedin.com/in/amitthakkar01Facebook: facebook.com/amit.thakkar01
What?
Hello World
You can checkout Demo form: https://github.com/AmitThakkar/JavaScript-at-Backend-NodeJS
How to run NodeJS App?
You can checkout Demo form: https://github.com/AmitThakkar/JavaScript-at-Backend-NodeJS
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlinkSync('test2'); console.log('successfully deleted test2');})(require);
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlinkSync('test2'); console.log('successfully deleted test2');})(require);
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlinkSync('test2'); console.log('successfully deleted test2');})(require);
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlink('test', function (err) { if (err) throw err; console.log('successfully deleted test'); });})(require);
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlink('test', function (err) { if (err) throw err; console.log('successfully deleted test'); });})(require);
Node Internal Modules: fs
(function (require) { var fs = require('fs');
fs.unlink('test', function (err) { if (err) throw err; console.log('successfully deleted test'); });})(require);
You can checkout Demo form: https://github.com/AmitThakkar/JavaScript-at-Backend-NodeJS
Node Internal Modules: http
var http = require("http");var server = http.createServer(requestHandler);server.listen(9999, function() { console.log('Server running at http://localhost:9999/');});function requestHandler(request, response) { console.log("Request received."); response.writeHead(200, {"Content-Type": "text/plain"}); response.write("Hello World"); response.end();}
Node Internal Modules: http
var http = require("http");var server = http.createServer(requestHandler);server.listen(9999, function() { console.log('Server running at http://localhost:9999/');});function requestHandler(request, response) { console.log("Request received."); response.writeHead(200, {"Content-Type": "text/plain"}); response.write("Hello World"); response.end();}
Node Internal Modules: http
var http = require("http");var server = http.createServer(requestHandler);server.listen(9999, function() { console.log('Server running at http://localhost:9999/');});function requestHandler(request, response) { console.log("Request received."); response.writeHead(200, {"Content-Type": "text/plain"}); response.write("Hello World"); response.end();}
Node Internal Modules: http
var http = require("http");var server = http.createServer(requestHandler);server.listen(9999, function() { console.log('Server running at http://localhost:9999/');});function requestHandler(request, response) { console.log("Request received."); response.writeHead(200, {"Content-Type": "text/plain"}); response.write("Hello World"); response.end();}
Node Internal Modules: http
var http = require("http");var server = http.createServer(requestHandler);server.listen(9999, function() { console.log('Server running at http://localhost:9999/');});function requestHandler(request, response) { console.log("Request received."); response.writeHead(200, {"Content-Type": "text/plain"}); response.write("Hello World"); response.end();}
You can checkout Demo form: https://github.com/AmitThakkar/JavaScript-at-Backend-NodeJS
Handling HTTP Requestvar requestHandler = function (request, response) { var data = ""; switch (request.url) { case "/" : data = "HelloWorld"; break; case "/me" : data = "This is Me!"; break; default : data = "You lose in space"; } response.writeHead(200, {"Content-Type": "text/plain"}); response.write(data); response.end();};
Handling HTTP Requestvar requestHandler = function (request, response) { var data = ""; switch (request.url) { case "/" : data = "HelloWorld"; break; case "/me" : data = "This is Me!"; break; default : data = "You lose in space"; } response.writeHead(200, {"Content-Type": "text/plain"}); response.write(data); response.end();};
Questions??
References:Create Basic HTTP Server with Node.js