Merge pull request #5 from brighthas/patch-1

Update example.js

Author: corehtml5canvas

ch02/example-2.31/example.js

@@ -367,7 +367,7 @@ function drawPolygon(polygon, angle) {
  context.stroke();
 
  if (fillCheckbox.checked) {
- context.fill(context);
+ context.fill();
  }
 
  context.restore();