<!DOCTYPE html>
<html>
   <head>
      <link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" 
         rel = "stylesheet" />
      <script type = "text/javascript" 
         src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
   
      <script type = "text/javascript">
         Ext.onReady(function() {
            Ext.create('Ext.container.Container', {
               renderTo : Ext.getBody(),
               layout : 'accordion' ,
               width : 600,
               
               items : [{
                  title : 'Panel 1',
                  html : 'Panel 1 html content'
               },{
                  title : 'Panel 2',
                  html : 'Panel 2 html content'
               },{
                  title : 'Panel 3',
                  html : 'Panel 3 html content'
               },{
                  title : 'Panel 4',
                  html : 'Panel 4 html content'
               },{
                  title : 'Panel 5',
                  html : 'Panel 5 html content'
               }]
            });
         });
      </script>
   </head>
   
   <body>
   </body>
</html>