title: js-interop: how to implement javascript `new` to dart with js-interop?
body: <p>javascript code is.. </p>
  
  <pre class="lang-dart prettyprint-override"><code>var terminal = new hterm.Terminal('nike');
  </code></pre>
  
  <p>I tried to use js-interop</p>
  
  <pre><code>var obj = js.context['hterm']['Terminal'];
  var terminal = obj('nike');
  </code></pre>
  
  <p>but the result is wrong.   how to change <code>new</code> keyword from javascript to dart with js-interop?</p>