title: How do I detect a particular child on stage with createjs
body: <p>How do I check if there is a particular child on stage and how do I check for a particular child A or B in createjs?</p>
  
  <pre><code>var A = new createjs.Bitmap('images.A');
  var B = new createjs.Text('Hello','bold 12px Arial');
  A.setTransform(100,100);
  B.setTransform(100,150);
  stage.addChild(A,B);
  stage.update();
  </code></pre>