Demo - jquery-get-innerhtml-of-iframe

Edit This Code :
<html>
  <head>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
  </head>
  <body>
    <h1>How to Get HTML Content of Iframe in JQuery</h1>
    <br>
    <button id="myButton">Get Iframe Content</button>
    <iframe id="myIframe" src="https://www.wikipedia.org/" width="480" height="320"></iframe>
    <script>
      $(document).ready(function() {
        $("#myButton").on('click', function() {
          alert($("#myIframe").contents().find("html").html());
        });
      });
    </script>
  </body>
</html>
Result :