Ext.js Fit Layout

Ext.js Fit Layout

<!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 : {
                  type :'fit'
               },
               width : 600,
               defaults: {
                  bodyPadding: 15
               },
               items : [{
                  title: 'Panel1',
                  html : 'This is panel 1'
               },{
                  title: 'Panel2',
                  html : 'This is panel 2'
               },{
                  title: 'Panel3',
                  html : 'This is panel 3'
               },{
                  title: 'Panel4',
                  html : 'This is panel 4'
               }]
            });
         });
      </script>
   </head>

   <body>
   </body>
</html>