Method unref

lib/internal/timers.js:680–689

()

  }

  unref() {
    if (this[kRefed] === true) {
      this[kRefed] = false;
      if (--immediateInfo[kRefCount] === 0) {
        // We need to use the binding as the receiver for fast API calls.
        binding.toggleImmediateRef(false);
      }
    }
    return this;
  }

  hasRef() {
    return !!this[kRefed];