What are the best practices for using classes in JavaScript?

What are the best practices for using classes in JavaScript?

Some best practices include using meaningful class names, keeping methods concise, and utilizing inheritance wisely.

Can you explain why encapsulation is important in classes?

Encapsulation helps to protect the internal state of an object and prevents external interference, promoting modularity.

What about using static methods? When should I use them?

Static methods are useful for utility functions that don't require an instance of the class. Use them for shared functionality.

How can I ensure my classes are easily testable?

To ensure testability, keep your classes small, use dependency injection, and avoid side effects in your methods.