jQuery/JavaScript: mengakses isi dari iframe

$("#iFrame").contents().find("#someDiv").removeClass("hidden");

$(document).ready(function(){
    $('#frameID').load(function(){
        $('#frameID').contents().find('body').html('Hey, i`ve changed content of ! Yay!!!');
    });
});

<?php
    $URL = "http://external.com"

    $domain = file_get_contents($URL)

    echo $domain
?>

  Test

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>

<script>

$(document).ready(function(){   
    cleanit = setInterval ( "cleaning()", 500 );
});

function cleaning(){
    if($('#frametest').contents().find('.selector').html() == "somthing"){
        clearInterval(cleanit);
        $('#selector').contents().find('.Link').html('ideate tech');
    }
}

</script>

var $iframe = $("#iframeID").contents();
$iframe.find('selector');

iframe.contentWindow.document

iframe.contentDocument

$().ready(function () {
    $("#iframeID").ready(function () { //The function below executes once the iframe has finished loading
        $('some selector', frames['nameOfMyIframe'].document).doStuff();
    });
};

    Page with an iframe
    <meta charset="UTF-8" />
    <script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>
    <script>
    var Page = {
        id:'page',
        variable:'This is the page.'
    };

    $(window).on('message', function(e) {
        var event = e.originalEvent;
        if(window.console) {
            console.log(event);
        }
        alert(event.origin + '\n' + event.data);
    });
    function iframeReady(iframe) {
        if(iframe.contentWindow.postMessage) {
            iframe.contentWindow.postMessage('Hello ' + Page.id, '*');
        }
    }
    </script>


    <h1>Page with an iframe</h1>

    iframe
    <meta charset="UTF-8" />
    <script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>
    <script>
    var Page = {
        id:'iframe',
        variable:'The iframe.'
    };

    $(window).on('message', function(e) {
        var event = e.originalEvent;
        if(window.console) {
            console.log(event);
        }
        alert(event.origin + '\n' + event.data);
    });
    $(window).on('load', function() {
        if(window.parent.postMessage) {
            window.parent.postMessage('Hello ' + Page.id, '*');
        }
    });
    </script>


    <h1>iframe</h1>
    <p>It's the iframe.</p>

$(document).ready(function() {
    $('some selector', frames['nameOfMyIframe'].document).doStuff()
} );

<p>iframe from same domain</p>



<p>iframe from same domain</p>



<p>iframe from different  domain</p>




<p>iframe from different  domain</p>




<script type='text/javascript'>

$(document).ready(function(){
    setTimeout(function(){

        var src = $('.iView').contents().find(".shrinkToFit").attr('src');
    console.log(src);
         }, 2000);

    setTimeout(function(){

        var src = $('.iView1').contents().find(".shrinkToFit").attr('src');
    console.log(src);
         }, 3000);

    setTimeout(function(){

        var src = $('.iView2').contents().find(".shrinkToFit").attr('src');
    console.log(src);
         }, 3000);

         setTimeout(function(){

        var src = $('.iView3').contents().find("img").attr('src');
    console.log(src);
         }, 3000);

    })

</script>

document.querySelector('iframe[name=iframename]').contentDocument

<div id='myframe'>

  <?php 
   /* 
    Use below function to display final HTML inside this div
   */

   //Display Frame
   echo displayFrame(); 
  ?>

</div>

<?php

/* 
  Function to display frame from another domain 
*/

function displayFrame()
{
  $webUrl = 'http://[external-web-domain.com]/';

  //Get HTML from the URL
  $content = file_get_contents($webUrl);

  //Add custom JS to returned HTML content
  $customJS = "
  <script>

      /* Here I am writing a sample jQuery to hide the navigation menu
         You can write your own jQuery for this content
      */
    //Hide Navigation bar
    jQuery(\".navbar.navbar-default\").hide();

  </script>";

  //Append Custom JS with HTML
  $html = $content . $customJS;

  //Return customized HTML
  return $html;
}

function getIframeWindow(iframe_object) {
  var doc;

  if (iframe_object.contentWindow) {
    return iframe_object.contentWindow;
  }

  if (iframe_object.window) {
    return iframe_object.window;
  } 

  if (!doc && iframe_object.contentDocument) {
    doc = iframe_object.contentDocument;
  } 

  if (!doc && iframe_object.document) {
    doc = iframe_object.document;
  }

  if (doc && doc.defaultView) {
   return doc.defaultView;
  }

  if (doc && doc.parentWindow) {
    return doc.parentWindow;
  }

  return undefined;
}

...
var frame_win = getIframeWindow( frames['nameOfMyIframe'] );

if (frame_win) {
  $(frame_win.contentDocument || frame_win.document).find('some selector').doStuff();
  ...
}
...