JSFiddle - React, Tailwind, and code Playground

HTML

<form>
<input type="text" id="url">
<input type="button" value="Return cache" onClick="returnCache();">

<script>
  function returnCache() {
    var url = document.getElementById('url').value;
    
    var cacheURL = ; // code searching XML file and returning the webcite url
    document.getElementById('url').value = cacheURL;
  }
</script>