npm handlebars

The Express npm package is a popular framework for building web applications in Node.js. In order to use Express with the handlebars template engine, you need to follow these steps:

  1. Install Express and Handlebars: Use the npm package manager to install both Express and Handlebars. Open your terminal or command prompt and run the following command:
npm install express handlebars
  1. Import the required modules: In your JavaScript file, you need to import the necessary modules. Add the following lines of code at the top of your file:
const express = require('express');
const exphbs = require('express-handlebars');
  1. Create an Express application: Initialize an instance of the Express application by calling the express() function:
const app = express();
  1. Configure the Handlebars template engine: Set up the Handlebars template engine using the exphbs module. Add the following lines of code after creating the Express application:
app.engine('handlebars', exphbs());
app.set('view engine', 'handlebars');
  1. Define routes: Define your application's routes using the Express app object. For example, to handle a GET request to the root URL ("/"), you can use the following code:
app.get('/', (req, res) => {
  res.render('home', { title: 'Home' });
});
  1. Create Handlebars templates: Create your Handlebars templates with the .handlebars file extension. These templates will be rendered by the Handlebars engine and sent as responses to client requests. For example, create a file named "home.handlebars" with the following content:
<!DOCTYPE html>
<html>
<head>
  <title>{{ title }}</title>
</head>
<body>
  <h1>Welcome to {{ title }}</h1>
</body>
</html>
  1. Start the server: Finally, start the server by listening on a specific port. Add the following line of code at the end of your file:
app.listen(3000, () => {
  console.log('Server started on port 3000');
});

That's it! You have successfully set up Express with the handlebars template engine. You can now run your application by executing your JavaScript file using Node.js.

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