Ambily K.K. - Beginning Web Application Development with Node

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Contents

Preface

Modern web application development is completely controlled and owned by various JavaScript frameworks. Most of the new web applications are based on Responsive Web Design (RWD) and Hybrid web applications to support cross-platform, cross-browser and multiple devices. There are many powerful JavaScript frameworks available like Node, Backbone, AngularJS, Knockout, React and so on. Node.js is an open-source, cross-platform runtime environment for developing server-side web applications. Node along with the supporting stack of technologies including Express, AngularJS and MongoDB form the MEAN application development model.

What this book covers

Each chapter will cover simple examples and explain the concepts in detail.

Exercises provided at the end of each chapter will help practicing the concepts. In last chapter, we will develop end to end web application using MEAN (MongoDB, Express, AngularJS and Node), which will be cross-platform and cross-browser. Furthermore, the reader will be introduced to every tool and all JavaScript language constructs needed to fully master web application development with Node: Express Bootstrap, Bower, Grunt, NPM, AngularJS, MongoDB, and more.

Target Audience

The ideal reader of this book is a .NET developer, but not necessary with any previous experience in using Node on the web. Anyone with basic JavaScript knowledge can quickly learn Node and associated JavaScript frameworks like Express and AngularJS. Moreover, the book covers the SQL based data store for .NET developer and MongoDB for others.

With this book, you can leverage your JavaScript experience and be a highly productive web developer from day one. If you did some JavaScript programming before and want to learn the new JavaScript frameworks, then this book is for you. It introduces everything that is needed to work with the Node framework in an easy-to-follow and comprehensive manner.

Status

Leanpub.com currently offers the first version of Beginning Web Application Development with Node Book with a reduced price of $9.99. Expected final prize will be $16.99. Unconditional 45 days money back guarantee.

Moreover, you can suggest the topics you would like to see in the final version. Once bought, customers will receive any future updates to the book for free. Share your feedbacks to

Introduction

Node.js is a server side JavaScript framework to support highly scalable web application development. Node provides set of modules to develop any kind of web applications ranging from e-commerce sites to rich user interface based applications. Node not only supports the traditional unidirectional communication, where the client initiates the communication and also supports the development of bidirectional communication, where both client and server can initiate the communication. Node websites are constructed using HTML, CSS and JavaScript technologies.

This book is targeting mainly the .NET developers, who have prior understanding or experience on Visual Studio. Each concept is explained in detail with simple examples. Once the concepts are clear, we will develop an end to end web application using Node, Express, Bower, MongoDB, Bootstrap and other modules which we will be covering in the book.

Install Node.js

Let us start exploring the powerful JavaScript framework by installing the Node.js. Download the node from the nodejs.org. Once the download completes, click on Run to install the setup. Click on Next to continue. Accept the license agreement and click Next to continue. By default, node will be installed under the program files directory in C drive. By default, node will be installed under the program files directory in C drive.

We can modify the path, if required. Click Next to continue. Install the complete package, which includes node.js runtime, npm package manager and shortcuts to online documentation. Moreover, the installer will add the node executable path to the environment variable PATH. This will allow us to invoke the node commands from anywhere in the system. Click on Finish to complete the installation process.

Verification

Let us verify the installation before start our first node script.

Verification

Let us verify the installation before start our first node script.

Open the command prompt, start -> Run-> cmd. Type the command node and press enter. Specify some JavaScript expressions like a variable assignment or concatenation of two values and observe the result.

Hello World Program

Ok, let us create our first node application or in other words node script to display Hello World. Create a JavaScript file, say test.js with following code snippet console.log("Hello World"); Open the command prompt and navigate to the folder with the test.js. Node can execute any kind of JS files. Node can execute any kind of JS files.

Moreover, node is able to host other websites using the built in node framework. It is a wrapper around the Google Chromes V8 engine, to execute the code.

Exercises

a) Display Sum of two numbers? b) Display the Fibonacci series?

Summary

Node is one of the powerful JavaScript frameworks for server side web application development. Node can be setup in different platforms like Windows, Linux and Mac.

Node App using Visual Studio

Let us look into how to develop node applications using various editors. Node based applications can be developed using different editors like notepad, word pad, Web matrix and Visual Studio.

We will be using Visual Studio as the code editor for the rest of this book.

• You dont have Visual Studio license?
• Confused on how to get Visual Studio?
• Are you using Mac or Linux, so dont think Visual Studio is the right choice?

Dont worry, we have the answer for all your confusions. Go to https://www.visualstudio.com/ and select your version of Visual Studio. If you are working on Windows and learning or developing application for your own, choose the Visual Studio Community 2015 edition. If you are on other platforms like Linux or Mac, select the Visual Studio Code as your code editor. Both Community and Code editions are free and support the development of Node applications.

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