JSFiddle - React, Tailwind, and code Playground

HTML

<!-- Simple form with two input fields and one textarea -->
<form action="">
  <input type="text" name="fname" placeholder="First name"><br>
  <input type="text" name="lname" placeholder="Last name"><br>
<textarea rows="5" cols="30" placeholder="Contact us!"></textarea><br />
<br>
    <input type="submit" value="Submit"/>
</form>

JavaScript

$('input,textarea').focus(function(){
       $(this).removeAttr('placeholder');
    });