text: var $ = function(selector){
  
      var elems = document.querySelectorAll(selector);
      
      console.log(elems);
      
      return {
          Selector : function(){
              console.log(selector);
          } , 
          hide : function(){
              this.each(function(i , elem){
                  elem.style.display = "none";
              });
              return this;
          },
          each : function(func){
              for (var index = 0; index < elems.length; index++) {
                  var element = elems[index];
                  func(index , element);
              }
          return this;
          },
          show : function(){
              this.each(function(i , elem){
                  elem.style.display = "block";
              });
              return this;
          }
      }
  
  }