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BrainJS-examples


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
    <title>Brain JS Test</title>
    <meta charset="utf-8" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <style>
      #network {
        background: #ccc;
        border: 1px solid red;
        width: 80%;
        height: 400px;
      }
    </style>
  </head>

  <body>
    <h1>Brain JS Test</h1>
    <p>
      Brain.js is a machine learning program in Javascript.
    </p>

    <h2>Test results</h2>
    <div id="output"></div>

    <h2>Network</h2>
    <div id="network"></div>
  </body>
  <script src="brain-browser.js"></script>
  <script type="text/javascript">
    // provide optional config object (or undefined). Defaults shown.
    const config = {
      binaryThresh: 0.5,
      hiddenLayers: [3], // array of ints for the sizes of the hidden layers in the network
      activation: "relu", // supported activation types: ['sigmoid', 'relu', 'leaky-relu', 'tanh'],
      leakyReluAlpha: 0.01, // supported for activation type 'leaky-relu'
      inputSize: 2,
      outputSize: 1,
    };

    // create a simple feed forward neural network with backpropagation
    const net = new brain.NeuralNetwork(config);

    net.train([
      { input: [0, 0], output: [0] },
      { input: [0, 1], output: [1] },
      { input: [1, 0], output: [1] },
      { input: [1, 1], output: [0] },
    ]);

    const input = [1, 0];

    const output = net.run(input); // [0.987]

    document.getElementById("output").innerHTML =
      "Input:" + input + "<br/>" + "output is " + output;

    document.getElementById("network").innerHTML = brain.utilities.toSVG(
      net,
      config
    );
  </script>
</html>