JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://extjs.cachefly.net/ext-4.1.1-gpl/resources/css/ext-all-debug.css">
<script src="http://extjs.cachefly.net/ext-4.1.1-gpl/ext-all-debug.js"></script>

JavaScript

Ext.onReady(function() {
    var store = Ext.create('Ext.data.Store', {
        fields: [ 'name', 'sex', 'count' ],
        data: [
            { name: 'Bill',        sex: 'Male',    count: 0 },
            { name: 'Steve',    sex: 'Male',    count: 0 },
            { name: 'Larry',    sex: 'Male',    count: 0 },
            { name: 'Michelle',    sex: 'Female',    count: 0 },
            { name: 'Laura',    sex: 'Female',    count: 0 },
            { name: 'Monica',    sex: 'Female',    count: 0 }
        ],
        proxy: {
            type: 'memory',
            reader: {
                type: 'json'
            }
        }
    });
    
    var grid = Ext.create('Ext.grid.Panel', {
        store: store,
        columns: [
            { header: 'Count',    dataIndex: 'count',    width: 50 },
            { header: 'Name',    dataIndex: 'name',    flex: 1 },
            { header: 'Sex',    dataIndex: 'sex' }
        ]
    });
    
    Ext.create('Ext.window.Window', {
        width: 300,
        height: 250,
        
        layout: 'fit',
        items: grid,
        
        tbar: [{
                xtype: 'button',
                text: 'Only show female',
                enableToggle: true,
                handler: function() {
                    store.clearFilter();
                    if (this.pressed) {
                        store.filter('sex', 'Female');
                    }
                }
            },{
                xtype: 'button',
                text: 'Increase count',
                handler: function() {
                    // Clone the filters-object of the store
                    var filters = Ext.apply({}, store.filters);
                    
                    store.clearFilter(true);
                    store.each(function(record) {
                        record.set('count', record.get('count') + 1);
                    });
                    
                    filters.each(function(filter) {
                       ...