Mastering Class Writing in JavaScript: Best Practices for Clean and Efficient Code

Learn How to Write JavaScript Classes Like a Pro with These Essential Best Practices

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JavaScript classes are fundamental building blocks in modern web development, providing a structured way to organize code and create reusable components. However, writing classes in JavaScript can sometimes be challenging, especially for beginners.

In this article, we’ll explore some essential best practices for writing classes in JavaScript, accompanied by up-to-date code examples, to help you write clean, efficient, and maintainable code.

1. Follow the Single Responsibility Principle (SRP)

The Single Responsibility Principle states that a class should have only one reason to change. This means each class should focus on doing one thing well. By adhering to this principle, you can make your classes more focused, easier to understand, and less prone to bugs.

class Calculator {
  add(a, b) {
    return a + b;
  }

  subtract(a, b) {
    return a - b;
  }
}

In this example, the Calculator class follows the SRP by providing methods for adding and subtracting numbers, keeping the responsibilities of the class…