Express.js router.route() Function

09 Jul, 2020
The router.route() function returns an instance of a single route that you can then use to handle HTTP verbs with optional middleware. You can also use the router.route() function to avoid duplicate route naming as well as typing errors.
Syntax:
router.route( path )
Parameter: The path parameter holds the path of the specified URL.
Return Value: It returns responses.
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 router = express.Router();var PORT = 3000;    // Single routingrouter.route('/user').get(function (req, res, next) {    console.log("GET request called");    res.end();});  app.use(router);  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 make GET request to http://localhost:3000/, you can see the following output on your screen:Server listening on PORT 3000
GET request called

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 make GET request to http://localhost:3000/, you can see the following output on your screen:Server listening on PORT 3000
GET request called

Server listening on PORT 3000
GET request called

Example 2: Filename: index.js
var express = require('express');var app = express();var router = express.Router();var PORT = 3000;    // Multiple routingrouter.route('/user').get(function (req, res, next) {    console.log("GET request called");    res.end();}).post(function (req, res, next) {    console.log("POST request called");    res.end();}).put(function (req, res, next) {    console.log("PUT request called");    res.end();});  app.use(router);  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 make GET, POST, PUT request to http://localhost:3000/, you can see the following output on your screen:
Server listening on PORT 3000
GET request called
POST request called
PUT request called

Reference: https://expressjs.com/en/4x/api.html#router.route
Express.js
Node.js
Web Technologies
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