<link href="//cdn.bootcss.com/extjs/6.2.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet" />
<script type="text/javascript" src="//cdn.bootcss.com/extjs/6.2.0/ext-all.js"></script>
<script type="text/javascript" src="//cdn.bootcss.com/extjs/6.2.0/classic/locale/locale-fr.js"></script>
<script type="text/javascript">
var monthArray = Ext.Array.map(Ext.Date.monthNames, function (e) { return [e]; });
var ds = Ext.create('Ext.data.Store', {
Ext.create('Ext.grid.Panel', {
text: 'Month of the year',
bbar: Ext.create('Ext.toolbar.Paging', {
Ext.getCmp('gridId').getStore().load();