Method pop

chapter03/3.2 - Stack Min/stackMin.js:21–28

()

  }

  pop() {
    let value = super.pop();
    if (value == this._minStack.peek()) {
      this._minStack.pop();
      this._min = this._minStack.peek();
    }
    return value;
  }

  min() {
    return this._min;