The super Function and Function Overriding
Learn how to use the super keyword to call base class constructors and method overrides.
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The super function
When using inheritance, it is quite common for a base class and a derived class to implement the same method. This is seen most often with class constructors. If a derived class has a constructor, then this constructor must call the base class constructor using the super keyword, or TypeScript will generate an error as follows:
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