JSFiddle - React, Tailwind, and code Playground
HTML
<form id="a"><div><input type="tel" name="tel" value="909090" /></div></form>
<div id="s"></div>
JavaScript
$('#s').append($('#a').serialize());
<form id="a"><div><input type="tel" name="tel" value="909090" /></div></form>
<div id="s"></div>
$('#s').append($('#a').serialize());