帮忙解释一下官方模板
<!DOCTYPE html>
Hello Cocos2d-JS
<br> window.onload = function(){<br> cc.game.onStart = function(){<br> //load resources<br> cc.LoaderScene.preload(["HelloWorld.png"], function () {<br> var MyScene = cc.Scene.extend({<br> onEnter:function () {<br> this._super();<br> var size = cc.director.getWinSize();<br> var sprite = cc.Sprite.create("HelloWorld.png");<br> sprite.setPosition(size.width / 2, size.height / 2);<br> sprite.setScale(0.8);<br> this.addChild(sprite, 0);</p> <pre><code> var label = cc.LabelTTF.create("Hello World", "Arial", 40); label.setPosition(size.width / 2, size.height / 2); this.addChild(label, 1); } }); cc.director.runScene(new MyScene()); }, this); }; cc.game.run("gameCanvas"); }; </script> </code></pre> <p></body><br> </html><br> 有报错<br> <img src="https://img-ask.csdn.net/upload/201808/13/1534130479_949913.png" alt="图片说明"><br> 官方结构图<br> <img src="https://img-ask.csdn.net/upload/201808/13/1534130518_516474.png" alt="图片说明"></p>
