Express.js res.redirect() Function - GeeksforGeeks

29 Mar, 2022
The res.redirect() function redirects to the URL derived from the specified path, with specified status, a integer (positive) which corresponds to an HTTP status code. The default status is “302 Found”.
Syntax:
res.redirect([status, ] path)
Parameter: This function accepts two parameters as mentioned above and described below:
status: This parameter holds the HTTP status code
path: This parameter describes the path.
Return Value: It returns an Object.
Type of path’s we can enter
We can enter the whole global URL
e.g : https://www.geeksforgeeks.org/
Path can be relative to root of the host name
e.g : /user with relative to http://hostname/user/cart will redirect to http://hostname/user
Path can be to relative to current URL
e.g : /addtocart with relative to http://hostname/user/ will redirect to http://hostname/user/addtocart
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 just 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 just 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('/', function(req, res){    res.redirect('/user');});  app.get('/user', function(req, res){    res.send("Redirected to 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/, now on your screen you will see the following output:Redirected to 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/, now on your screen you will see the following output:Redirected to User Page
Redirected to User Page
Example 2: Filename: index.js
var express = require('express');var app = express();var PORT = 3000;  // With middlewareapp.use('/verify', function(req, res, next){    console.log("Authenticate and Redirect")    res.redirect('/user');    next();});  app.get('/user', function(req, res){    res.send("User Page");});  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/verify, now check your console and you will see the following output:
Server listening on PORT 3000
Authenticate and Redirect

And you will see the following output on your browser:
User Page

Reference: https://expressjs.com/en/5x/api.html#res.redirect
manikarora059
nachiketmh7
Express.js
Node.js
Web Technologies
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