Express.js res.status() Function

Last Updated : 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 express
```
After installing the express module, you can check your express version in command prompt using the command.
```
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
```

Example 1:
Filename: index.js

var express = require('express');
var app = express();
var PORT = 3000;
  
// Without middleware
app.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 express
```
Run index.js file using below command:
```
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
```

Example 2:
Filename: index.js

var express = require('express');
const path = require('path');
var app = express();
var PORT = 3000;
  
//with middleware
app.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

My Personal Notes

Related Articles

Table of Contents

Express.js res.status() Function

Start Your Coding Journey Now!