JSFiddle - React, Tailwind, and code Playground

HTML

<p>Users</p>
<ul id="users-list">
    <li><input type="text" name="names[]" value="" placeholder="enter name" /></li>
</ul>
<button id="add-more">Add More Users</button>

JavaScript

$(document).ready(function() {
    $users_list = $('#users-list');
    $add_more = $('#add-more');
    
    $add_more.on('click', function() {
        $users_list.find('li:first').clone().find(':input').val('').end().appendTo($users_list);
    });
});