JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<form id="old">
    <textarea>Some Value</textarea>
    <input type="text" value="Some Value" />
    <input type="checkbox" value="bob" checked />
    <br />
</form>

<input type="button" value="Clone" id="clone" />

JavaScript

$( 'input#clone' ).click(
    function()
    {
       $( 'form#old textarea' ).text( $( 'form#old textarea' ).val() )
      $("form#old").clone().attr( 'id', 'new_form' ).appendTo("body")
            
    }
)