title: How to show direct message to web page on dart language
body: <p>how to show a message look like on php
  <br>echo "helloworld"; 
  <br>But in dart
  I try</p>
  
  <pre><code>#import ('dart:html');
  void main () {
    var textElement = new Element.html("Hello world");
    window.document.body.nodes.add(textElement );
  }
  </code></pre>
  
  <p>but it not work, i don't like <code>document.query('#idname').innerHTML</code> 
  <br>any way to do what i want,
  thank everybody.</p>