JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<body>
<script>
if(window.webkit) {
	const promise = window.webkit.messageHandlers.browserProperties.postMessage('clickID');
    promise.then(
      clickID => {
        console.log(clickID);
      },
      err => {
  	    console.log("FAILED");
	      console.log(err);
      }
    );
}
</script>
</body>
</html>