Implement Routing using Nodejs

Hi, Nodejs developers, we hope that you have gone through our last blog about Node.js and their kinds of purposes.

Today we will share something essential about routing in node js. Node is a cross-platform technology. Routing is core heart of any web programming language. In older days we were performing routing by lazy techniques by passing parameters using “?“ and simple post. But now as technology has grown up, routing becomes smarter.

In node, we can perform routing by many ways. But today we are going to lead on express only. You can also achieve routing by URL or other packages.

Now, give us a chance to give you a brief introduction about how node is getting worked by creating a simple host (a node server and request to the node for HTTP) as this is the basic part of doing routing.

For this, we require having npm installed on our machine.

What is Require?

Require is something that includes in language c and requires in PHP. Node is nothing but a collection of different packages which are created by javascript folks and usage in open source framework. For package installation, we are using npm.

Achieve Routing Using Express

1) Setup Server using Node

2) Install Express Package

3) Create Routing and use Express

1. Setup Server

2. Install Express Package

a. $ npm install express

3. Use of Express in Routing

I have set simple “Hello”

This was an example of GET, you can also use POST, DELETE, PUT

First, we have to create a server where we have set port and make a listener for HTTP on that port. Now in the browser when you hit http://localhost:8081 we will require a package express and create app instance, that app instance will handle our application request and our code will work like micro framework like slim and lumen.

At 9series, We are working with node.js for routing in node using modules like url, express and path. We are providing solution with front-end and back-end solution using laravel, node, vue and angular, etc.

Node.js an Excellent Environment for Developers

There are two of the most popular javascript frameworks at the moment, i.e. React & Angularjs where we can use Node js (a javascript runtime environment) technology very effectively.

Javascript is getting mature day by day and web technology too is getting advanced. A technology has come up in javascript like jQuery(2006), prototype javascript framework created by Sam Stephenson in February 2005, where jQuery is prevalent for its chaining object and Prototype is prevalent for event binding and object prototyping. In any case, the developer gets thirsty for an ever increasing extent.

Node.js was originally composed in 2009 by Ryan Dahl. So what is node.js? It's simply a javascript rich library.

Dahl was impelled to build Node.js after reviewing a file upload progress bar at Flickr. The most interesting thing was browser did not know how many files have been uploaded and for that the browser needs to question the Web server.

Dahl scrutinized limited possibilities of the most well-known web server in 2009, Apache HTTP Server to deal with lot of concurrent connections (up to 10,000 and more) and the widely recognized way of creating code (sequential programming) is that code either blocked the entire process or proposed multiple execution stacks in the case of simultaneous connections.

Node.js is an open source and a cross-platform runtime environment for developing server-side and networking applications. Node.js applications are composed in JavaScript and can run within the Node.js runtime on OS X, Microsoft Windows and Linux.

Use Of Node.js

Basic uses of Node Js are:

• • Managing Concurrent Request because It’s single threaded architecture
  • Pipelining the task using Gulp library like CSS Busting, Sass to CSS conversation
  • Data Streaming Applications
  • Data Intensive Real-time Applications (DIRT)
  • JSON APIs based Applications
  • Non blocking I/O
  • Single Page Applications

Node is using NPM(Node Package Manager) for package download. NPM is most recommended package manager for open source. Another package manager you can use is bower, etc.

After analyzing many statistical reports, we have found that Node.js is the fastest growing and most significant development language in the current scenario. With 3.5 million users and annual growth rate of 100%, Node.js is getting fascinated everywhere.

Below survey reveals the type of development work Node.js users do, the other technology they use with Node.js, which languages they plan to use more, and which they plan to use less in the coming months, and more. Following graph shows the usage of a node by different package managers for downloading node-packages.

And we have found another survey where nodejs was being used in the following fields of development.

Why Node js is so popular ?

• • Asynchronous and Event Driven − All APIs of Node.js library are asynchronous, that is, non-blocking. It basically implies Node.js based server never waits for an API to return data. The server proceeds to the next API after calling it and a notification mechanism of events of Node.js assists the server to get a response from the previous API call.
  • Rapid − Built on Google Chrome's V8 JavaScript Engine, Node.js library is very quick in code execution.
  • Single Threaded but Highly Scalable − Node.js uses a single threaded model with event looping. Event mechanism helps the server to acknowledge in a non-blocking way and makes the server extremely scalable as opposed to traditional servers which create inadequate threads to handle requests. Node.js uses a single threaded program and the similar program can provide service to a much larger number of requests than traditional servers like Apache HTTP Server.
  • No Buffering − Node.js applications never buffer any data. These applications simply yield the data in lumps.

At 9series, our best open source developers use nodejs for these kinds of below purposes with multiple technologies to serve you the best output using modern javascript (nodejs) by implementing it with Laravel, Asp.net, React and Angularjs.

1. CSS Busting

2. Elixir Notification For Web and Desktop

3. PHPUnit Testing Using Node

4. SASS and LESS Pipelining

5. Caching Purpose

6. Task Pipelining

7. Single Threading Request Mechanism