title: knockout.js data-bind doesn't work
body: <p>I'm new no knockout.js and try to apply it, but simple things don't work</p>
  
  <pre><code>&lt;script type="text/javascript"&gt;
      var viewModel = {
          name: ko.observable("test")
      }
      ko.applyBindings(viewModel);
  &lt;/script&gt;
  &lt;span data-bind="text: name"&gt;&lt;/span&gt;
  </code></pre>
  
  <p>I see no any text, but in debugger context (with not trimmed whitespace for some reason):</p>
  
  <pre><code>" name": "test"
  </code></pre>
  
  <p>also there is <code>$data</code> with declared <code>name: function observable()</code></p>
  
  <p>What I do wrong?</p>