JSFiddle - React, Tailwind, and code Playground

JavaScript

var xhr = new XMLHttpRequest();
    xhr.open('GET', 'https://query.yahooapis.com/v1/public/yql?q=select+*+from+yahoo.finance.xchange+where+pair+=+%22USDRUB,EURRUB%22&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=', false);
    xhr.send();
   var res = xhr.responseText;
    alert( res); //как форматировать res? res.query нихуя не показывает.