A stack object which can be used similar to a queue or whatnot.

Stack object

var Stack = (function() {
    
    var list = [];  // Private to the instance.
    
    var append = function() {
      for ( var x = 0, xx = arguments.length; x< xx; x++ ) {
        list.push( arguments[x] );
      }
      return this;
    };
  
    var prepend = function(value){
      list.unshift(value);
      return this;
    };
  
    var add = function() {
      // edge case where list is empty
      if ( !list.length ) {
        // [object Arguments]  doesn't natively have a .forEach method :'[
        
        for (var x = 0, xx = arguments.length - 1; x < xx; x++) {
          append( arguments[x] );
        }
      };
      
      var index = arguments[arguments.length - 1];
      var p1 = list.slice(0, index);
      var p2 = list.slice(index);
      
      for (x = 0, xx = arguments.length - 1; x < xx; x++) {
        p1.push( arguments[x] );
      }
      list = p1.concat(p2);
      
      return this;
      
    };
  
    var pop = function(){
      var recent = list.length - 1;
      this.popped = function(){ return list[recent]};
      this.remove( recent );
      return this;
      
    };
  
    var get = function(index){
      if (index) return list[index];
      else return list;
    };
  
    var remove = function(index){
      delete list[index];
      return this;
    };
    
    this.prepend = this.unshift = prepend;
    this.add = this.put = add;
    this.pop = this.last = pop;
    this.push = this.append = append;
    this.remove = this.delete = remove;
    this.get = get;
  
    // whitespace is for nerds
    this.clear = function(){list = [];return this;};
    this.log = function(){console.log(list);return this;};
    this.toString = function(){return "[object Stack]";}; // fancy
    return this;
});


// global time
window.Stack = Stack;


var z = new Stack();

// sweet chains, bae.
z.push(1, 2, 6, 7, 8, 9, 10)
 .clear()
 .add(3,4,5, 2)
 .push("wow hi!", "Let's Dance, scoundrel!!!", "wat wat")
 .pop()
 .log()
 .get();