title: jquery execute native browser validation
body: <p>How to execute the native browser form validation using jquery / javascript as if the user is trying to submit the  form?</p>
  
  <pre><code>&lt;form id="myform"&gt;
      &lt;input type="text" name="myinput" required /&gt;
      &lt;input type="email" name="myemail" required /&gt;
  &lt;/form&gt;
  
  &lt;div id="externalcheck"&gt;click to validate&lt;/div&gt;
  
  &lt;script type="text/javascript"&gt;
     $("#externalcheck").click(function(){
       // how to run html5 browser's validation ?
     });
  &lt;/scrpipt&gt;
  </code></pre>