title: for (var key in object) in CoffeeScript?
body: <p>How can I use for (var key in object) in CoffeeScript? It compiles to...</p>
  
  <pre><code>for (_i = 0, _len = object.length; _i &lt; _len; _i++) {
      key = object[_i];
  </code></pre>
  
  <p>...but I just want to iterate though an object.</p>