text: $(document).ready(function(){
      /* function called when you click of the button */
      $(".side-menu").click(function(){
          
          /* this if else to change the text in the button */
          if($(".side-menu").text() == "☰"){
           $(".side-menu").text("🞬");
          }else{
            $(".side-menu").text("☰");
          }
        
        /* this function toggle the visibility of our "li" elements */
        $("nav > a").toggle("fast");
      });
    });