JSFiddle - React, Tailwind, and code Playground

JavaScript

const urls = [
	'https://dewnuf111111.com/configuration',
	'https://dewnuf222222.com/configuration',
  'https://bcsmania.co.uk/test.json'
];

let obj = {a: 'test'};
let counter = 0;

async function getConfigurations(urls) {
  let result = null;
	// Check for for last URL in the array
	if (counter < urls.length) {
  for(let count=0, len=urls.length; count <len; count++) {
  try {
  	result = await fetch(urls[count])
  	}catch(e){}
  	if(result) break
  	}
  } 
  return result
}

/* function getConfigurations() {
  return ajax(urls[counter]);
} */

getConfigurations(urls).then((configurations) => {
	console.log('DONE', configurations);
});