title: Enable/Disable input - knockout
body: <p>I would like to make my form editable after I'll click button.</p>
  
  <p>I write code for a button click but I don't how to change state of the inputs in a form.</p>
  
  <pre><code>viewModel.test= function () {
     //code here
  }
  &lt;input type="text"/&gt; // Enable/Disable this
  </code></pre>
  
  <p>Can I disable/enable all inputs in the form or I just need to do it one by one?</p>