convert to knockout model

by phsiao2000

HTML

<p>These are the best books:<div id="books"></div></p>

JavaScript

books = [
    {name: 'Dune', rating: 5},
    {name: "Old Man's War", rating: 4},
    {name: 'Foundation', rating: 3},
    {name: 'Game of Thrones', ration:4},
    {name: 'Rock', rating: 4}
];
good = [];
for(var i = 0; i < books.length; ++i) {
  if (books[i].rating > 3) {
    good.push(books[i].name);
  }
}
document.write (good)