JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.0.min.js"></script>
<form id="create-todos-form" action="/misc/todos/index" method="post">

  <input id="todos-t_description" class="t_description form-control" name="Todos[t_description]" type="text">

  <select id="todos-t_case_id" class="form-control" name="Todos[t_case_id]">
      <option value="">Related to case</option>
  </select>

</form>

JavaScript

$(document).ready(function() {
	$("#create-todos-form").on("submit", function(e) {
  	e.preventDefault();
    alert("I was submitted!");
  })
});