do anyone know how to make a neural network I'm trying make but getting error

Question

Uncaught ReferenceError: Layer is not define line 1

Answer 1

Post the code here too so that others can see

Answer 2

new Layer()
const { Layer, Network } = window.synaptic;
var inputLayer = new Layer(2);
var hiddenLayer = new Layer(3);
var outputLayer = new Layer(1);
inputLayer.project(hiddenLayer);
hiddenLayer.project(outputLayer);

var myNetwork = new Network({
input: inputLayer,
hidden: [hiddenLayer],
output: outputLayer
});
// train the network - learn XOR
var learningRate = .3;
for (var i = 0; i < 20000; i++) {
// 0,0 => 0
myNetwork.activate([0,0]);
myNetwork.propagate(learningRate, [0]);
// 0,1 => 1
myNetwork.activate([0,1]);
myNetwork.propagate(learningRate, [1]);
// 1,0 => 1
myNetwork.activate([1,0]);
myNetwork.propagate(learningRate, [1]);

// 1,1 => 0
myNetwork.activate([1,1]);
myNetwork.propagate(learningRate, [0]);
}