JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-2.1.3.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<div ng-app="app">
    <div ng-controller="main">
<div class="modal fade" show-modal-on-load>
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal -->
    </div>
</div>

JavaScript

(function() {
    angular.module("app", [])
    .controller("main", function() {

    })
    .directive("showModalOnLoad", function() {
        function getUrlParameter(sParam)
        {
            return 1;
        }
        
        return {
            link: function(scope, element, attrs) {
                if (getUrlParameter('ticket') == 1) {
                     $(element).modal('show');
                 }
            }
        }
    });
}());