JSFiddle - React, Tailwind, and code Playground
by sstur
JavaScript
var xhr = (window.XMLHttpRequest) ? new XMLHttpRequest() :
new ActiveXObject('Microsoft.XMLHTTP');
console.log('debug1');
xhr.open('POST', 'http://bin.mailgun.net/f77d7e54', true);
console.log('debug2');
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send('a=1');
console.log('debug3');