JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<body>

<form action="/action_page.php">
  First name:<br>
  <input type="text" name="firstname" value="Mickey">
  <br>
  Last name:<br>
  <input type="text" name="lastname" value="Mouse">
  <br><br>
  <button type="submit" id="button">Submit</button>
</form> 


</body>
</html>

JavaScript

$("#button").on("click", function(e){
			e.preventDefault();
			console.log(JSON.parse(JSON.stringify($('form').serializeArray())));
		});