JSFiddle - React, Tailwind, and code Playground

HTML

boo
<div>
    <script id="IntroAnimation" type="text/javascript" charset="utf-8" src=""></script>
</div>

JavaScript

var my_array = ['$ThemeDir/cfc%20intro%20140818.hyperesources/cfcintro140818_hype_generated_script.js?5659', '$ThemeDir/cfc%20intro%20140818.hyperesources/cfcintro140818_hype_generated_script.js?5659B', '$ThemeDir/cfc%20intro%20140818.hyperesources/cfcintro140818_hype_generated_script.js?5659'];
  var ri = Math.floor(Math.random() * my_array.length); // Random Index position in the array
  getElementById("IntroAnimation").src = ri;