Express.js - Route Parameters

Route Parameters is used to retrieve the values from the URl and make them available to your route handlers.

Route Parameters in Express.js

index.js

const express = require('express');
const app = express();

// Route with a dynamic parameter (:name)
app.get('/user/:name', (req, res) => {

    // Extract the name parameter from the request
    const name = req.params.name;

    // Response with a message
    res.send(`Hello, ${name}`);
});

const PORT = 5000;

app.listen(PORT, () => {
  console.log(`Server is running on http://localhost:${PORT}`);
});

Run the Server

Run the server using the command given below.

node index.js

D:\my-app>node index.js
Server is running on http://localhost:5000

Output

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