Let's see how to create a child class from the parent class in JavaScript, using the "extends" keyword. We can add new property-value pairs in the child class. Then we can check whether an object belongs to a certain class or not. We can check the prototype of the child class using the web developer tools of a web browser. Finally, we learn how to override the constructor and methods inherited from the parent class.
1:11 - extends
9:41 - instanceof
8:14 - Prototype of child classes
11:58 - override the constructor and methods inherited from the parent class
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