JSFiddle - React, Tailwind, and code Playground
HTML
<div>
<form class="form">
<p><input type='text' id='a'></p>
<p><input type='text' id='b'></p>
<p><input type='checkbox' id='c'></p>
</form>
<form class="form">
<p><input type='text' id='aa'></p>
<p><input type='text' id='bb'></p>
<p><input type='checkbox' id='cc'></p>
</form>
</div>
<p><input type='text'></p>
<div id='log'></div>
CSS
form {
border: 2px solid black;
margin: 10px;
padding: 10px;
}
JavaScript
$('.form :input').change(function(e){
$('#log').prepend('<p>Form changed ' + $(e.target).value + '</p>')
});