node.js

Introduction In this blog we see how we can upload image file using ajax.Here we be using FileReader  for reading the selected file and then we send that file data to server side using ajax and on server side we read and save that as image on server. Project Structure Setup Folder Open the command prompt and create new folder using following command mkdir upload Now change   to the newly created folder by using folder command cd upload Setup Node In Folder Now we have to setup node environment in the folder for our project. We have to use the below command to setup node in our folder npm init -y This command will create a package.json file which indicates that node is initialized in folder. The package.json file will look like this Install Packages Now we have to install the package required for building the application. For installing packages we use npm install followed by package name. n

Project Structure                |-------------- models        |                          |-------------- task.js                                    |         |-------------- public        |                          |-------------- data.js        |            |--------------- routes         |                          |-------------- taskroute.js        |         |--------------- views        |                          |-------------- demo.ejs        |         |--------------- app.js Setup The Folder To create a folder, open the command prompt and type cmd mkdir followed by the folder name    # mkdir ajax Change to the folder by typing the cmd cd followed by the folder name  # cd ajax  Setup Node In Folder On the console, type the below command   # npm init -y This will create a package.json file, Which means that node is initialised in the folder. the package.json will look like this  Install Pack