How to Create a Pre-Filled forms in Node.js ?

Last Updated : 13 Feb, 2023

Pre-Filled forms are those forms that are already filled with desired data. These are helpful when a user wants to update something like his profile, etc. We 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

Filename: SampleForm.ejs

html

<!DOCTYPE html>
<html>

<head>
    <title>Pre-Filled Form Demo</title>
</head>

<body>
    <h1>Update User</h1>

    <form action="saveData" method="POST">
        <pre>
            Email    : <input type="text" name="email"
                        value='<%=user.email%>'> <br>

            Name     : <input type="text" name="name"
                        value='<%=user.name%>'> <br>

            Number   : <input type="number" name="mobile"
                        value='<%=user.mobile%>'> <br>

            Address : <input type="text" name="address"
                        value='<%=user.address%>'> <br>

            <input type="submit" value="Submit Form"> 
        </pre>
    </form>
</body>

</html>

Filename: index.js

javascript

const express = require("express")
const path = require('path')
const app = express()
 
var PORT = process.env.port || 3000

// View Engine Setup
app.set("views", path.join(__dirname))
app.set("view engine", "ejs")

app.get("/", function(req, res){
    
    // Sample data to be filled in form
    var user = {
        email: '[email protected]',
        name: 'Gourav',
        mobile: 9999999999,
        address: 'ABC Colony, House 23, India'
    }

    res.render("SampleForm",
        {
            user: user
        }
    );
})
 
app.listen(PORT, function(error){
    if(error) throw error
    console.log("Server created Successfully on PORT", PORT)
})

Steps to run the program:

The project structure will look like this:
Make sure you have installed ‘view engine’ like I have used “ejs" and also installed express module using following commands:

npm install express
npm install ejs

Run index.js file using below command:

node index.js

Now Open browser and type this URL: