example.html

<script src="build/build.js"></script>

<script>
  var struct = require('struct');

  // buffer big enough for all 3 structs
  var buf = new Uint8Array(3 * (32 + 5 + 16));

  var Pet = struct({
    id: 'uint32',
    name: 'string',
    age: 'uint16'
  });

  // write

  var tobi = new Pet({
    id: 1,
    name: 'Tobi',
    age: 2
  });

  var loki = new Pet({
    id: 2,
    name: 'Loki',
    age: 2
  });

  var jane = new Pet({
    id: 3,
    name: 'Jane',
    age: 6
  });

  var off = 0;
  var pets = [tobi, loki, jane];
  for (var i = 0; i < pets.length; i++) {
    off = pets[i].write(buf, off);
  }

  // read

  var n = 3;
  var off = 0;
  var pet = new Pet;
  while (n--) {
    off = pet.read(buf, off);
    console.log('%s (%s) is %s years old', pet.name, pet.id, pet.age);
  }

</script>