JSFiddle - React, Tailwind, and code Playground

HTML

<form action="/" id="searchForm">
  <input type="text" name="s" placeholder="Search...">
  <input type="submit" value="Search">
</form>

JavaScript

$('#searchForm').on('submit', function(event){
	$(this).attr('action', 'http://example.com/rest/ful/url/' + $('[name=s]').val());
});