JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    
    <input name="foo[]" value="bar1"></input>
    <input name="foo[]" value="bar2"></input>
    <input name="foo[]" value="bar3"></input>
</form>

<div>
</div>

JavaScript

data = $('form').serialize();
$('div').append(data);