JSFiddle - React, Tailwind, and code Playground

JavaScript

//Sample XML    
var xml = '<ris-metadata creation="2016-11-03T06:34:59+02:00"></ris-metadata>';

//Parse the givn XML
var xmlDoc = $.parseXML(xml);
var $xml = $(xmlDoc);
var creationDate = $xml.find("ris-metadata").attr('creation');
alert(creationDate);