JavaScript-First/00-Drafts/00-Stacks/stack.js at master · JavaScript-Open-Curriculum-Foundation/JavaScript-First · GitHub

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function Stack() {

  let items = [];
/**
 *
 */
  this.push = (element)=>items.push(element);

/**
 * Removes the last item of the stack
 */
  this.pop = ()=> items.pop();

/**
 * the last item added
 */
    this.peek = ()=> items[items.length-1];
      // console.table(items[items.length-1]);
  // this.peek = ()=> items[items.length-1];


/**
 *
 */
  this.isEmpty = ()=> items.length == 0;


/**
 *
 */
  this.size = ()=> items.length;

/**
 *
 */
  this.clear = ()=> items = [];

/**
 *
 */
  this.print = ()=> console.table(items);

/**
 *
 */
  this.toString = ()=> items.toString();
}

/**
 * STEPS
 */

// Using the stack
  let stack = new Stack();
  stack.push(5);
  stack.push(8);
  stack.print()
  stack.push(11);
  stack.print()
  // stack.peek()
  console.log(` Last item added: ${stack.peek()}` );
  stack.pop();
  stack.print()
  console.log(` Last item added: ${stack.peek()}` );