id="list">
        <li>Item 0</li>
        <li>Item 1</li>
        <li>Item 2</li>
        <li>Item 3</li>
        <li>Item 4</li>
      </ul>
      
      <h2>binding of a group of radio buttons to a variable</h2>
      <core-selector target="{{$.myForm}}" itemsSelector="input[type=radio]" 
          selected="{{color}}" valueattr="value" selectedProperty="checked" 
          activateEvent="change"></core-selector>
      <form id="myForm">
        <label><input type="radio" name="color" value="red"> Red</l