JSFiddle - React, Tailwind, and code Playground

HTML

<div class="placeholder_input">
    <input type="text" id="username" maxlength="100" />
    <div class="placeholder_container">
        <div class="placeholder">username</div>
        
        <div id='ss'> damc</div>
    </div>
</div>

JavaScript

$('document').ready(function(){

   $('#username').focus();

$("#username").focus(function(){
    $('.placeholder').hide();
});
   
  $('#ss').click(function(){
         $('#username').focus();

      
      });    






});