Method bind

src/select-value-observer.js:153–159

()

  }

  bind() {
    this.domObserver = DOM.createMutationObserver(() => {
      this.synchronizeOptions();
      this.synchronizeValue();
    });
    this.domObserver.observe(this.element, { childList: true, subtree: true, characterData: true });
  }

  unbind() {
    this.domObserver.disconnect();