Fix to http://html5.org/tools/web-apps-tracker?from=8064&to=8065

better.js

function loadMySprites() {
  var image = new Image();
  image.src = 'mysprites.png';
  return new Promise(function (resolver) {
    image.onload = function () {
      resolver.resolve(Promise.every(
        createImageBitmap(image,  0,  0, 40, 40).then(function (image) { sprites.woman = image }),
        createImageBitmap(image, 40,  0, 40, 40).then(function (image) { sprites.man   = image }),
        createImageBitmap(image, 80,  0, 40, 40).then(function (image) { sprites.tree  = image }),
        createImageBitmap(image,  0, 40, 40, 40).then(function (image) { sprites.hut   = image }),
        createImageBitmap(image, 40, 40, 40, 40).then(function (image) { sprites.apple = image }),
        createImageBitmap(image, 80, 40, 40, 40).then(function (image) { sprites.snake = image }),
      ));
   };
  });
}