这个版
本的cc.EditBox移除报错：
Uncaught TypeError: Cannot read property ‘setAnchorPoint’ of null CCdomNode.js:228
cc.DOM.methods.setParentCCdomNode.js:228
cc.NodeWebGL.cc.Class.extend._detachChildCCNode.js:966
cc.NodeWebGL.cc.Class.extend.removeChildCCNode.js:883
cc.NodeWebGL.cc.Class.extend.removeFromParentCCNode.js:852
cc.GUIWindow.cc.Class.extend.closeWindowGUIWindow.js:70
cc.GUIMainMenu.cc.GUIWindow.extend.closeWindowGUIMainMenu.js:705
(anonymous function)CCClass.js:138
cc.Scene.extend.onExitScene_MainMenu.js:75
(anonymous function)CCClass.js:138
cc.Director.cc.Class.extend.setNextSceneCCDirector.js:721
cc.Director.cc.Class.extend._drawSceneForWebGLCCDirector.js:380
cc.Director.cc.Class.extend.drawSceneCCDirector.js:340
cc.DisplayLinkDirector.cc.Director.extend.mainLoopCCDirector.js:1113
callbackCCApplication.js:373