Express.js res.status() Function

03 Aug, 2021
The res.status() function set the HTTP status for the response. It is a chainable alias of Node’s response.statusCode.
Syntax:
res.status( code )
Parameter: This function accepts single parameter code that holds the HTTP status code.
Returns: It returns an Object.
Installation of express module:
You can visit the link to Install express module. You can install this package by using this command.npm install expressAfter installing the express module, you can check your express version in command prompt using the command.npm version expressAfter that, you can create a folder and add a file for example, index.js. To run this file you need to run the following command.node index.js
You can visit the link to Install express module. You can install this package by using this command.npm install express
npm install express
After installing the express module, you can check your express version in command prompt using the command.npm version express
npm version express
After that, you can create a folder and add a file for example, index.js. To run this file you need to run the following command.node index.js
node index.js
Example 1:Filename: index.js
var express = require('express');var app = express();var PORT = 3000;  // Without middlewareapp.get('/user', function(req, res){    res.status(200).send("User Page");})  app.listen(PORT, function(err){    if (err) console.log(err);    console.log("Server listening on PORT", PORT);});
Steps to run the program:
The project structure will look like this:Make sure you have installed express module using the following command:npm install expressRun index.js file using below command:node index.jsOutput:Server listening on PORT 3000
Now open browser and go to http://localhost:3000/user, on your screen and you will see the following output:User Page
The project structure will look like this:
Make sure you have installed express module using the following command:npm install express
npm install express
Run index.js file using below command:node index.jsOutput:Server listening on PORT 3000

node index.js
Output:
Server listening on PORT 3000

Now open browser and go to http://localhost:3000/user, on your screen and you will see the following output:User Page
User Page
Example 2:Filename: index.js
var express = require('express');const path = require('path');var app = express();var PORT = 3000;  //with middlewareapp.use('/', function(req, res, next){    res.status(200).send("Status Working");   next();});  app.get('/', function(req, res){    console.log("Home Page!")    res.send();});  app.listen(PORT, function(err){    if (err) console.log(err);    console.log("Server listening on PORT", PORT);});
Run index.js file using below command:
node index.js
Now open the browser and go to http://localhost:3000/, now check your console and you will see the following output:
Server listening on PORT 3000
Home Page!

And you will see the following output on your browser screen:
Status Working
Reference: https://expressjs.com/en/5x/api.html#res.status
manikarora059
Express.js
Node.js
Web Technologies
Writing code in comment?
Please use ide.geeksforgeeks.org,
generate link and share the link here.
Node.js fs.writeFile() Method
How to install the previous version of node.js and npm ?
Difference between promise and async await in Node.js
Mongoose | findByIdAndUpdate() Function
Installation of Node.js on Windows
Top 10 Projects For Beginners To Practice HTML and CSS Skills
Difference between var, let and const keywords in JavaScript
How to insert spaces/tabs in text using HTML/CSS?
How to fetch data from an API in ReactJS ?
Differences between Functional Components and Class Components in React