New version of dart:html

client/samples/total/src/ZoomTracker.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 typedef void ZoomListener(double oldZoom, double newZoom);
 
 /**
  * This class tracks changing zoom factor in browser and notifies about this asynchroniously.
  */
 class ZoomTracker {
   List<ZoomListener> _listeners;
   Window _window;
   Point _zeroPoint;
   double _zoom;
   Element _zoomElement;
 
   ZoomTracker(this._window) {
     _listeners = new List<ZoomListener>();
     // Append element with known CSS location
-    _zoomElement = _window.document.createElement("div");
+    _zoomElement = new Element.tag("div");
     _zoomElement.id = "zoomTracker";
     _zoomElement.style.setProperty("position", "absolute");
     _zoomElement.style.setProperty("top", "-100px");
     _zoomElement.style.setProperty("height", "0px");
     _zoomElement.style.setProperty("visibility", "hidden");
     _window.document.body.nodes.add(_zoomElement);
     // Prepare initial state
     _zeroPoint = new Point(0, 0);
     _zoom = _getZoom();
     // Schedule zoom check every 100ms
@@ skipping 17 matching lines @@
   void removeListener(ZoomListener listener) {
     bool found = false;
     _listeners = _listeners.filter(bool _(element) => found || !(found = (element == listener)));
   }
 
   double _getZoom() {
     Point zoomPoint = _window.webkitConvertPointFromNodeToPage(_zoomElement, _zeroPoint);
     return zoomPoint.y / -100.0;
   }
 }