Static & Private Class Fields

What is the purpose of the private static #idCounter?

class Component {
  static #idCounter = 0;
  #id;
  
  constructor() {
    this.#id = `component-${Component.#idCounter++}`;
  }
  
  getId() {
    return this.#id;
  }
}

Memory optimization
Performance improvement
Unique ID generation
The private static #idCounter serves for unique ID generation: 1) Maintains a class-wide counter for unique IDs, 2) Cannot be tampered with from outside the class, 3) Ensures ID uniqueness across all instances, 4) Encapsulates the ID generation logic, 5) Provides predictable and sequential IDs, 6) Common pattern for generating unique identifiers in component systems.
Error tracking

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