JAVASCRIPT

body-parser npm

$ npm install body-parser

body-parser node

// Express/Connect top-level generic
// This example demonstrates adding a generic JSON and URL-encoded parser as a top-level middleware, which will parse the bodies of all incoming requests. 
// This is the simplest setup.

var express = require('express')
var bodyParser = require('body-parser') 
var app = express() 

// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false })) 

// parse application/json
app.use(bodyParser.json()) 

app.use(function (req, res) {
  res.setHeader('Content-Type', 'text/plain')  
  res.write('you posted:
')  
res.end(JSON.stringify(req.body, null, 2))})

How to use body-parser package in using npm

$ npm i --save body-parser

body parser npm

var bodyParser = require('body-parser')

bodyparser npm

 npm i body-parser 
 npm i -g body-parser //for global
 

How to use body-parser in node js

const express = require('express');
const app = express();
const bodyParser = require('body-parser');

app.use(bodyParser.json());

body parser npm

const jsonParser = bodyParser.json()

const urlencodedParser = bodyParser.urlencoded({ extended: false })

npm body-parser

$ express /tmp/foo && cd /tmp/foo

Install body-parser for Express

npm install body-parser --save