JSFiddle - React, Tailwind, and code Playground

HTML

<div id="first"></div>
<div id="second"></div>

JavaScript

App = {
    language: 'ru',
    messages: null,
    i18n: {
    },

    /**
     * Translates a message to the specified language.
     * @param {String} category message category. Please use only word letters.
     * @param {String} message the original message
     * @param {Object|Number} [params={}] parameters to be applied to the message using <code>replace</code>
     */
    t: function(category, message, params) {
        if (App.messages && App.messages[App.language] && App.messages[App.language][category] && App.messages[App.language][category][message]) {
            message = App.messages[App.language][category][message];
        }

        if (undefined !== params) {
            // Object
            if ('object' == $.type(params)) {
                for (var i in params) {
                    message = message.replace(i, params[i]);
                }
            // Number
            } else if ('number' == $.type(params) && -1 != message.indexOf('|')) {
                if (-1 == message.indexOf('#')) {
                    var chunks = message.split('|');
                    var expressions = App.i18n.pluralRules;
                    var n = Math.min(chunks.length, expressions.length);
                    if(n) {
                        for (var j = 0; j < n; j++) {
                            chunks[j] = expressions[j] + '#' + chunks[j];
                        }
                        message = chunks.join('|');
                    }
                }
                message = App.i18n.ChoiceFormat.format(message, params);
                if (-1 != message.indexOf('{n}')) {
                    message = message.replace('{n}', params);
                }
            }
        }

        return message;
    }
};

/**
 * YiiBase class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.yiiframework.com/
 * @copyright Copyright &copy; 2008-2011 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

/**
 * CChoiceFormat...