### Install fnbr.js using npm

Source: https://fnbr.js.org/#/docs/index

This command installs the fnbr.js library using Node Package Manager (npm). Ensure you have Node.js and npm installed before running this command.

```bash
npm install fnbr
```

--------------------------------

### Basic fnbr.js Client Example

Source: https://fnbr.js.org/#/docs/index

This JavaScript code demonstrates how to initialize the fnbr.js client, log in, and handle incoming friend messages and readiness events. It shows how to respond to a 'ping' message.

```javascript
const { Client } = require('fnbr');

const client = new Client();

client.on('friend:message', (message) => {
  console.log(`Message from ${message.author.displayName}: ${message.content}`);
  if (message.content.toLowerCase().startsWith('ping')) {
    message.reply('Pong!');
  }
});

client.on('ready', () => {
  console.log(`Logged in as ${client.user.displayName}`);
});

client.login();
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.