Express: req.is(type): Check the matching content type

req.is(type)

It returns true, if type is matches to the incoming request’s "Content-Type" HTTP header field value. If the request has no body, returns null.

Example

req.is('html')

index.js

'use strict'

const express = require('express')

const app = express()

app.get('/', (req, res) => {
 res.send('Hello World')
})

app.post('/users', (req, res) => {
 var isContHtml = req.is('html')
 
 res.send(`Is ContentType html : ${isContHtml}`) 
})

const port = 3000
app.listen(port, () => console.log(`Application started listening on port ${port}!`));

Run index.js

Open any rest client like Postman and hit below request.

Method: POST

URL: http://localhost:3000/users

Set below headers

Content-Type : text/html

Accept-Charset : utf-8

Body

Sample Data

Hit the request, you will receive below kind of response.

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