In normal case, if you extend from a Cocos2d class, using cc.Node.extend({...}), you can override a function in the extend object. And when you want to access to the parent function which you overrided, you can just use this._super() call
like this:
However, in your code, I didn’t seen any extend relationship with cocos2d, for example, normally, your ChoiceTeacherScene class should be extended from a cc.Scene class.
But I didn’t know much about CocosBuilder, maybe they have other logic to make the extend relationship happen, hope someone else can give more help.
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Huabin
Thank you, Huabin.
Wating for reply.