Brain.js is a GPU accelerated library of neural networks written in JavaScript for browsers and Node.js. It is simple, fast and easy to use. It provides multiple neural network implementations as different neural nets can be trained to do different things well.
There are multiple ways to use this library:
-
NPM
npm install --save brain.js -
CDN
<script src="//unpkg.com/brain.js"></script>
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- Feedforward neural network (brain.NeuralNetwork)
One of the tasks that used the basic .NeuralNetwork flow was checking probability. Training data with height and weight
* pen = 13-14 cm, 8 grams => 1
*
* pencil = 14 - 15 cm, 6 gram => 0
network.train([
{input: {height: 13, weight: 8}, output: {pen: 1} },
{input: {height: 13, weight: 6}, output: {pencil: 0} },
{input: {height: 14, weight: 8}, output: {pen: 1} },
{input: {height: 15, weight: 6}, output: {pencil: 0} },
])
const result = network.run({height: 13, weight: 7})
console.log(result);
// { pen: 0.7718532681465149, pencil: 0.03233066201210022 }