JSFiddle - React, Tailwind, and code Playground

by Ryan Brown

HTML

<form id="formski">
  <input type="textbox" id="n_numb" value="6" />
  <input type="button" id="btnClick" value="Insert # of Discs" onclick="" />


</form>

JavaScript

var Node = function(_content) {
  this.next = null;
  this.last = null;
  this.content = _content;
}

var Stack = function() {
  this.bottom = null;
  this.top = null;

  this.push = function(_content) {
    if (this.bottom == null) {
      this.bottom = new Node(_content);
      this.top = this.bottom;
      return this;
    }
    var addedNode = new Node(_content);
    addedNode.last = this.top; // pointer to previous node
    this.top.next = addedNode; // current top points to new
    this.top = addedNode; // which becomes new top
    return this;
  }
  this.pop = function() {
    if (this.bottom == null) {
      alert("The Stack is Empty");
      return null;
    }
    // Case of one node
    if (this.bottom == this.top) {
      var a = this.top.content;
      this.bottom = null;
      this.top = null;
      return a;
    }

    // Now remove top Node
    var a = this.top.content; // hold value for return
    this.top = this.top.last;
    this.top.next = null;
    return a;
  }
  this.toString = function() {
    var str = "";
    var node = this.bottom;

    while (node != null) {
      str += node.content + ":";
      node = node.next;
    }
    return str;
  }


  this.even = function() {
    var y = parseInt(stack.pop());
    if (Number.isNaN(z) == false) {
      stack.push(z);
    } else {
      alert("Read the directions and try again.");
    }
  }

  this.odd = function() {
    var y = parseInt(stack.pop());
      stackC.push(y);
    var z = parseInt(stack.pop());
      stackB.push(z);
     else
  }
}

var StackB = new Stack();

var StackC = new Stack();



function Calculate() {
  var cal = document.getElementById("n_numb").value;
  stack.push(cal);

  if ((cal % 2) == 0)
  // even
    stack.pop;
  stack.even;
  else
  // odd
    stack.pop;
  stack.odd;

}