JSFiddle - React, Tailwind, and code Playground
HTML
<a href="#" id="upload_widget_opener">Upload multiple images</a>
<script src="https://widget.cloudinary.com/v2.0/global/all.js" type="text/javascript"></script>
<script type="text/javascript">
var myUploadWidget;
document.getElementById("upload_widget_opener").addEventListener("click", function() {
myUploadWidget = cloudinary.openUploadWidget({
cloudName: 'duinrs7ev', uploadPreset: 'gkapdwoz'}, (error, result) => { });
}, false);
</script>