Simple web calculator: Adding event bindings to calculator class

event-listeners.ts

protected connectedCallback(): void {
  this.#setEventListeners();
}

protected disconnectedCallback(): void {
  this.#unsetEventListeners();
}

#setEventListeners(): void {
  this.#buttons.forEach((button) => {
    button.addEventListener('click', this.#handleButtonClick.bind(this));
  });
}

#unsetEventListeners(): void {
  this.#buttons.forEach((button) => {
    button.removeEventListener('click', this.#handleButtonClick.bind(this));
  });
}

#handleButtonClick(event: Event): void {
  // do something
}