extend classes in JavaScript
JavaScript
ðŸ¤– Code Explanation
/* ************************* */
/* ************************* */
This code defines a function extend(), which can be used to extend one JavaScript class with another. The function take two parameters: Child and Parent. Child is the class that will be extended, and Parent is the class that Child will be extended with.
The function first creates a new function F(), which will be used as a placeholder function. Next, the prototype property of F is set to be the prototype property of Parent. This will give F the same methods and properties as Parent.
Then, the prototype property of Child is set to be a new instance of F. This will give Child all the methods and properties of Parent. Finally, the constructor property of Child is set to Child, and the superclass property of Child is set to the prototype property of Parent. This will allow child to access the Parent class if necessary.
More problems solved in JavaScript

extend classes
two functions that make sum two vectors and make their dot product
Calculate the income tax for an income of $70k by adhering to the rules below:
First $10k: 0Â =Â 0
Next $10k: 10Â =Â 10
Following $10k: 20Â =Â 20
Remaining amount: 30
Calculate the income tax for an income of $70k by adhering to the rules below:
First $10k: 0Â =Â 0
Next $10k: 10Â =Â 10
Following $10k: 20Â =Â 20
Remaining amount: 30
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