JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.sencha.io/ext-4.1.1-gpl/resources/css/ext-all.css">

JavaScript

Ext.onReady(function () {
    var panel = Ext.create('Ext.panel.Panel', {
        renderTo: Ext.getBody(),
        title: 'test',
        height: 300,
        width: 300
    });
    
    var total = 5;
    var data = {
        count: []
    };    
    for (var i = 1; i <= total; i++) {
        data.count.push(i);
    }
    
    var tpl = [
        '<tpl for="count">',
        '{.}<br>',            
        '</tpl>'];
    
    var t = new Ext.XTemplate(tpl);
    panel.update(t.apply(data));
});