[beaglebone] beginner tutorial explanations for node.js code

try this:

require(‘bonescript’);

outputPin = bone.P8_3;
inputPin = bone.P8_5;

setup = function() {
pinMode(inputPin, INPUT);
pinMode(outputPin, OUTPUT);
digitalWrite(outputPin, LOW);
attachInterrupt(inputPin, CHANGE, function(pin, value) { //attach an event to changes on inputPin
if (value == HIGH){ //outputPin follows inputPin
console.log(“LED ON”);
digitalWrite(outputPin, HIGH);
}else{
console.log(“LED OFF”);
digitalWrite(outputPin, LOW);
}
});
};

loop = function() {

};

run(setup, loop);