JSFiddle - React, Tailwind, and code Playground

by Johan Vandeplas

JavaScript

Ext.define('TestA', {
    extend: 'Ext.container.Container',
    
    left: [],
    
    initComponent: function () {
        var me = this;

        me.left.push('testA');

        me.callParent(arguments);
    }
});

Ext.define('TestB', {
    extend: 'TestA',
    
    initComponent: function () {
        var me = this;

        me.left.push('testB');

        me.callParent(arguments);
    }
});
console.log(Ext.create('TestB').left);
console.log(Ext.create('TestB').left);
console.log(Ext.create('TestB').left);