JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.thomasfrank.se/downloadableJS/xml2json.js"></script>

JavaScript

var xml = '<Products><ProductAttribute Cid="5" Aid="A2"><ProductCat>Вода</ProductCat><Value>минеральная</Value> </ProductAttribute><ProductAttribute Cid="5" Aid="A4"><ProductCat>Вода</ProductCat><Value>газированая</Value> </ProductAttribute><ProductAttribute Cid="4" Aid="M122"><ProductCat>Рыба</ProductCat><Value>Карась</Value></ProductAttribute></Products>';

var myJsonObject=xml2json.parser(xml);

console.log(JSON.stringify(myJsonObject));