jmoenig
diff --git a/‎chart.html
+7-5 b/‎chart.html
+7-5
@@ -10,21 +10,23 @@
 
 			window.onload = function () {
 				world = new WorldMorph(document.getElementById('world'));
+                world.worldCanvas.focus();
 				world.setColor(new Color(255, 255, 255));
 				chart = new ChartMorph();
 				chart.setPosition(new Point(10, 10));
 				world.add(chart);
-				setInterval(loop, 1);
+                loop();
 			};
 
-			function loop() {
-				world.doOneCycle();
-			}
+            function loop() {
+                requestAnimationFrame(loop);
+                world.doOneCycle();
+            }
 		</script>
 	</head>
 	<body>
 		<canvas id="world" width="800" height="600" style="position: absolute;">
 			<p>Your browser doesn't support canvas.</p>
 		</canvas>
 	</body>
-</html>
+</html>