title: Html: JavaScript not working
body: <p>I run html and javascript code but only html code run.Java script code is not work in my browser(chrome)</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-js lang-js prettyprint-override"><code>var userName = prompt("What is your first name");
  var lastName = prompt("What is your last name");
  var age = prompt("What is your age");
  alert("hello", +username + , "", +lastname);</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;p&gt;This is second page welcome&lt;/p&gt;</code></pre>
  </div>
  </div>
  </p>