title: html5 required validation working great on browser but not phonegap app
body: <p>I am developing an app on phonegap (v 5.1.1) and using <a href="http://app.phonegap.com/" rel="noreferrer">phonegap app </a> for testing locally on android. I have created a form in html and for validation purpose I've used required property. In browser (firefox, chrome) it is working fine as it should be, while on mobile it does not validate anything. and submits. Why is this happening ? Does html5 required supported on android.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
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  <pre class="snippet-code-html lang-html prettyprint-override"><code> &lt;form id="LoginForm" action=""&gt;
     &lt;input type="email" name="email" id="inputEmail3" placeholder="Email" required&gt;
     &lt;input type="password" name="pwd" id="inputPassword3" placeholder="Password" required&gt;
     &lt;button type="submit"&gt;Sign in&lt;/button&gt;
     &lt;/form&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>Thanks.</p>