expressjsHow do I find Express.js tutorials on YouTube?

To find Express.js tutorials on YouTube, you can use the following search query: Express.js tutorial. This will bring up a list of videos related to Express.js.

For example, here is a video on Express.js fundamentals:

Express.js Tutorial: Build RESTful APIs with Node and Express | Mosh

You can also use other search terms, such as Express.js tutorial for beginners or Express.js tutorial from scratch, to find tutorials more tailored to your experience level.

Example code

Here is an example of a simple Express.js application:

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

app.get('/', (req, res) => {
    res.send('Hello World!');
});

app.listen(3000, () => console.log('Listening on port 3000'));

Output

When the code runs, the output will be:

Listening on port 3000

The code consists of the following parts:

1. const express = require('express');: This imports the Express.js library.
2. const app = express();: This initializes the Express.js application.
3. app.get('/', (req, res) => {...}): This is a route handler that defines what should happen when a GET request is sent to the root of the application.
4. res.send('Hello World!');: This sends a response with the text "Hello World!".
5. app.listen(3000, () => console.log('Listening on port 3000'));: This starts the application and listens for requests on port 3000.

Here are some other helpful resources for learning Express.js:

• Express.js Documentation
• Express.js Guide
• Express.js Tutorials on FreeCodeCamp

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