Creating an Application to Test JSON Manipulation

  • To apply these approaches, let’s create a simple Node.js application. We will use this application to send HTTP requests and manipulate JSON data.

Step 1: Install Required Modules

Start by installing the required Node.js modules. You will need express for handling HTTP requests and body-parser for parsing JSON data. Install these modules using the following commands:

npm install express
npm install body-parser

Step 2: Update Dependencies in Package.json

After installing the necessary modules, make sure to update your package.json file to reflect these dependencies:

"dependencies": {
"express": "^4.17.1",
"body-parser": "^1.19.0"
}

Step 3: Create the Application

Next, create a new file named app.js and add the following code:

JavaScript
const express = require("express");
const bodyParser = require("body-parser");

const app = express();
app.use(bodyParser.json());

app.post("/test", function (req, res) {
    console.log(req.body);
    res.send("Received");
});

app.listen(3000, function () {
    console.log("Example app listening on port 3000!");
});

Step 4: Test the Application with Postman

Now that the application is ready, you can use Postman to send a POST request to http://localhost:3000/test. Include a JSON body with a nested object and see how the application logs the body of the request.

How to add nested object to existing JSON using Postman ?

Postman has become a critical tool for developers around the world, particularly when dealing with JSON data. This article will guide you through the process of adding nested objects to an existing JSON using Postman, with a focus on the approaches and syntax involved.

Table of Content

  • Understanding JSON and Nested Objects
  • The Role of Postman
  • Adding Nested Object Using JSON.parse and JSON.stringify
  • Adding Nested Object Direct Assignment
  • Adding Nested Object Using a Pre-Request Script
  • Creating an Application to Test JSON Manipulation
  • Steps to Convert Nested Objects to JSON in Postman:

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Understanding JSON and Nested Objects:

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The Role of Postman:

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Creating an Application to Test JSON Manipulation

To apply these approaches, let’s create a simple Node.js application. We will use this application to send HTTP requests and manipulate JSON data....

Steps to Convert Nested Objects to JSON in Postman:

Create a new Request in Postman:...