sensortoy/app/test.html

<script>
// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators

// http://www.ti.com/lit/ds/symlink/opt3001.pdf
  var x = 15390;
  var v = 15 << 10;

  var r = x & v;
  var o = x & ~v;

  console.log('x',x.toString(2));

  console.log('r',r.toString(2));
  console.log('o',o.toString(2));
  var m;
  for (var t=0;t<16;t++)
  {
    m = v >>> t;

    console.log(m.toString(2), t);
    console.log(x.toString(2));
  }

  for (var t=0;t<16;t++)
    {
      m = v << t;
      console.log(m.toString(2), t);
      console.log(x.toString(2));
    }


</script>

a[0] | (a[1] << 8)