title: React router not working root params
body: <p>my react router work properly but when i add params router then display some error like Uncaught SyntaxError: Unexpected token &lt;</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>import React from 'react';
  import ReactDOM from 'react-dom';
  import { Router, Route, Link, browserHistory, IndexRoute  } from 'react-router';
  
  import App from './containers/App';
  import Greetings from './containers/Greetings';
  import SignupPage from './containers/signup/SignupPage';
  import Screen from './containers/signup/Screen1';
  import LoginPage from './containers/login/LoginPage';
  
  export default (
      &lt;Router history = {browserHistory}&gt;
        &lt;Route path = "/" component = {App}&gt;
           &lt;IndexRoute component = {SignupPage} /&gt;
           &lt;Route path = "signup" component = {SignupPage} /&gt;
           &lt;Route path = "login" component = {LoginPage} /&gt;
           &lt;Route path = "/screen/:id" component = {Screen} /&gt;
        &lt;/Route&gt;
      &lt;/Router&gt;
  )</code></pre>
  </div>
  </div>
  </p>