JSFiddle - React, Tailwind, and code Playground
HTML
<div id="content">
</div>
<form id= "myform">
<input type="text" id="inp" value="mytext">
<input type="submit" id="btn" value="serialize"/>
</form>
JavaScript
$("form").submit(function(e){
e.preventDefault();
var v= $(this).serialize();
console.log(v);
});