JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.jsdelivr.net/npm/better-jsonp@latest"></script>
<div class="app"></div>

JavaScript

const $ = document.querySelector.bind(document)
jsonp({
	url: 'https://jsfiddle.net/echo/jsonp/',
  timeout: 5000,
  // jsonpCallback shouldn't be equal to `jsonp`
  jsonpCallback: 'betterjsonp',
  callbackParams: 'callback',
  urlParams: {
    urlParams1: 'value 1',
    urlParams2: 'value 2'
  }
})
	.then( res => $('.app').innerHTML = JSON.stringify(res))