ふくさんぶつ

gistfile1.js

function SlideImage () {
  return (this instanceof SlideImage) ? this.init() : new SlideImage();
};

(function (proto) {

  proto.init = function () {
    this.images = [];
    this.display = null;
  };


  proto.addImage = function (path) {
    var img = new Image();
    img.src = path;
    this.images[this.images.length] = img;
  };

  proto.run = function (opt_start, opt_goal) {

    var start = opt_start || 0
    ,   goal  = opt_goal || this.images.length - 1
    ,   images = this.images
    ,   display = this.display;

    function timer () {

      if(start >= goal)
        return;

      display.removeChild(display.getElementsByTagName('img')[0]);
      display.appendChild(images[start++]);
      setTimeout(arguments.callee, 150);

    };

    setTimeout(timer, 150);
  };

})(SlideImage.prototype);