Question

JavaScript - Build with Node.js
Follow the instructions bellow for a good rate

Create a program that will add, remove, get and display all items, stored in JSON file, based on user input (i.e. using yargs). You should choose your own individual purpose - it can be a warehouse, ticketing system, grading book, etc. Make sure you create an appropriate JSON object with real-life parameters - for example for user registration system you should use id, email, and a name.

Make sure the program works, show the console output using a text editor (i.e. Sublime)

Answer 1

PROGRAM:

//test.js

//I have run this code in chrome browser

//defined the empty json object

  

var jsonObject =

{

};

//asking user for json object description that what kinf of info

  

//going to store

  

var description = prompt ("Enter the description for json object")

//adding to json object

  

jsonObject.description = description;

//using while for menu

  

while (1)

{

  

console.

log ("1.Add info\n2.remove info\n3.get info\n4.display all\n5.Exit");

  

//getting the user choice

  

var choice = prompt ("Please enter your selection");

  

//adding the new property in json object

  

if (choice == = '1')

{

console.log ("add property");

var key = prompt ("Enter the key ");

var value = prompt ("ENter the value ");

console.log ("key = " + key)

jsonObject[key] = value;

  

}

  

//getting the key for removing

  

else if (choice == = '2')

{

var key = prompt ("ENter the key for removing");

delete jsonObject[key];

  

}

  

//getting the value by providing the key

  

else if (choice == = '3')

{

var key = prompt ("ENter the key for get value");

console.log (jsonObject[key]);

  

}

  

//printing the json object

  

else if (choice == = '4')

{

console.log (JSON.stringify (jsonObject));

  

}

  

//exitting the menu

  

else if (choice == = '5')

{

break;

  

}

  

//in case of not valid input

  

else

{

console.log ("try again!");

  

}

  

}

//OUT