JSFiddle - React, Tailwind, and code Playground

HTML

<label for="textarea">Your message<span>*</span></label>
<textarea id="textarea"></textarea>

CSS

textarea{
  position: relative;
  resize: none;
  width: 400px;
  height: 200px;
}
label{
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 100;
  color: blue;
}
span{
  color: red;
}

JavaScript

$(document).ready(function() {
	$("textarea").on("focus", function() {
  		$("label").css("display", "none");
  });
});