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6年前

ES6中class类使用方法及教程(基础篇)

每一个class类中,都有一个constructor构造器,如果没有手动指定constructor构造器,那么可以认为class类内部,有个隐形的,空的constructo...
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6年前

ES6中class类使用方法及教程(进阶篇)

一、使用extends实现子类继承父类为什么要实现子类继承父类?下面的代码两个类American和Chinese中的constructor里面的代码是一样的,如果我们要建立...
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