JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="upload_widget_opener">Upload multiple images</a>

<script src="//widget.cloudinary.com/global/all.js" type="text/javascript"></script>  

<script type="text/javascript">  
  document.getElementById("upload_widget_opener").addEventListener("click", function() {
    cloudinary.openUploadWidget({ cloud_name: 'dv6m7mhp0', upload_preset: 'equipment',multiple:false}, 
      function(error, result) { console.log(error, result) });
  }, false);
  

</script>

JavaScript

$(document).on('cloudinarywidgetsuccess', function(e, data) { 
alert("success");
console.log("Global success", e, data); 
});