Now, let check it out!
1. Gif Chat Room
Node.js is built for making chat applications. Here’s a novel twist. Chrome and Firefox have an API to access a computer’s camera. Images from the camera get processed around the submission of a chat message and gif is sent to the room.
Here’s of the sample of a gif produced in the chat.
2. Remote Control for a Car
When you mouse over the arrows on screen in the browser or press the arrows on your keyboard, the commands get sent over WebSockets to the Node.js server and then that server sends those instructions in real-time over USB to a small computer called Arduino. The Arduino sends the key presses programmatically to the remote control to control the car.
Here’s some of the Treehouse staff having some fun with it.
3. We Play Pokémon
This is more of a proof of concept than anything else, but a cool one at that. Node.js is able to stream the out put of applications in real-time to web browsers and take input, over web sockets.
This means you can stream your favorite Gameboy games and play them in the browser. Which is fun by yourself, but insanely fun (and frustrating) when everyone else who visits the site at the same time controls it too!
4. Remote Control a Computer
Building things in Node.js doesn’t always have to be for recreation, there’s utility in it too. In this example you can take control of another computer over the internet.
5. Build your Own Hangouts
With other modern Web APIs like WebRTC being supported by more and more browsers, Google Hangout-like applications are going to get more common. Talky.io is one of those.
You (and a friend) can visit their website in a compatible browser and try it out for yourself!
6. Collaborative Drawing Tool
I showed Treehouse students how to build a simple drawing application in jQuery in the course jQuery Basics.
I extended the functionality with Node.js so that multiple people can draw on the same canvas!
Why not visit send this link to a friend and draw with them!
7. Desktop RSS Reader
With Node.js you could build cross-platform applications to run on your desktop. Here’s an example of an app called Sputnik. It’s an RSS reader.
You can check out more applications here.
Hopefully seeing these examples built with Node.js shows you exactly what it’s capable of.
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