Aurelia code quality - part 6

greeter.html

 <template>
    <h2>Greetings</h2>
    <hr/>
    <ul>
       <li repeat.for="greeting of greetings"> 
           ${greeting}
       </li>
    </ul>
  <hr/>
  <!-- add default two-way binding to a new greeting property -->  
  <input placeholder="add greeting" value.bind="greeting"> 
  </input>
  <!-- delegate the button click the the addGreeting method -->
  <button click.delegate="addGreeting()"></button>
 </template>