JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.3.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<form action="/category" method='GET'>
    <button type="submit" class="btn btn-default render">
        name
    </button>
</form>

<div class="modal fade" id="render_page" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="form-horizontal">

                <div class="modal-body">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                    <div id="user_msg" align="left">Rendering Page... </div>
                </div>

            </div>                                  
        </div>
    </div>
</div>

JavaScript

$(document).ready(function(){
        $(".render").click(function(evt){
            evt.preventDefault();
            $('#render_page').modal('show');
        });
    });