title: Uncaught SyntaxError: Unexpected token '<'
body: <p>I am writing react route and in this code it shows an unexpected error of "&lt;" at line no.8 . My code is </p>
  
  <pre><code>var React = require('react');
  var Route = ReactRouter.Route;
  var Link = ReactRouter.Link;
  
  var App=React.createClass({
    render: function(){
      return(
        &lt;div className="header"&gt;
           &lt;h1&gt;Welcome to Twitter&lt;/h1&gt;
           &lt;nav className="links"&gt;
              &lt;link to ="https://about.twitter.com/"&gt; About &lt;/link&gt;
              &lt;link to="/login"&gt; Login &lt;/link&gt;
              &lt;link to="/sign_up"&gt; Sign Up &lt;/link&gt;
           &lt;/nav&gt;
           {this.props.children}
         &lt;/div&gt;
      )
    }
  })
  React.render((
    &lt;Router&gt;
      &lt;Route path="/" component={App} /&gt;
         &lt;Route path="login" components={Login} /&gt;
         &lt;Route path="sign_up" components={Sign_Up} /&gt;
    &lt;/Router&gt;
  ),document.body)
  </code></pre>
  
  <p>Please help me out,cause I have already wasted lots of time for it.</p>