refusedBequest.js

// From Rachel M. Carmena's https://github.com/rachelcarmena/code-smells
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array

class CoolStack extends Array {
  push(...items) {
    return super.push(...items);
  }

  public pop() {
    return super.pop();
  }
}

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

class CoolStack {
  constructor() {
    this.elements = [];
  }

  push(...items): number {
    this.elements.push(...items);
    return this.elements.length;
  }

  pop() {
    const element = this.elements[this.elements.length-1];
    this.elements.pop();
    return element;
  }
}