Copies members from the base class to the prototype associated with the derived class, and continues this process up the inheritance chain.

将成员从基类复制到与派生类相关联的原型，并沿继承链向上继续执行此过程。

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Copies members from the base class to the prototype associated with the derived class, and continues this process up the inheritance chain.

将成员从基类复制到与派生类相关联的原型，并沿继承链向上继续执行此过程。

youdao