Create tab, add to tab panel and then add tab panel to a FormPanel
<html> <head> <title>Hello World Window</title> <link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" /> <script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script> <script type="text/javascript" src="ext-3.0.0/ext-all.js"></script> </head> <body> <script type="text/javascript"> Ext.onReady(function() { Ext.QuickTips.init(); var tabs = [ { xtype : 'container', title :'Form fields', layout : 'form', style : 'padding:5px 5px 0', defaults : { xtype : 'textfield', width : 230 }, items : [ { fieldLabel : 'First Name', name : 'firstName' }, { fieldLabel : 'Last Name', name : 'lastName' }, { fieldLabel : 'Address1', name : 'address1' }, { fieldLabel : 'Address2', name : 'address2' } ] } ] var tabPanel = { xtype :'tabpanel', activeTab : 0, deferredRender : false, layoutOnTabChange : true, border : false, flex : 1, plain : true, items : tabs } var fp = new Ext.form.FormPanel({ renderTo : Ext.getBody(), width : 700, title : 'Title', height : 500, frame : true, style : 'margin: 20', layout : 'vbox', layoutConfig : { align : 'stretch' }, defaults : { msgTarget : 'side', anchor : '-20' }, items : [ tabPanel ] }); }); </script> <div id='div1'>asdf</div> </body> </html>