Method pop

stacks/queue-via-stacks.js:26–29

()

  }

  pop() {
    this.#shiftStacks(); // Ensure stackOldest has the current elements
    return this.stackOldest.pop();
  }
  peek() {
    this.#shiftStacks(); // Ensure stackOldest has the current elements
    return this.stackOldest.peek();