Copy-paste in your browser console -

    // Merry Christmas
    console.log(
      [45,69,82,82,89,0,35,72,82,73,83,84,77,65,83,1]
      .map(function(i) { return i + 32; })
      .map(function(i) { return String.fromCharCode(i); })
      .join("")
    );