Javascript Iframe innerHTML

Question

Does anyone know how to get the HTML out of an IFRAME I have tried several different ways   document getElementById  iframe01   contentDocument body innerHTML document frames  iframe01   document body innerHTML document getElementById  iframe01   contentWindow document body innerHTML   etc

User · Answer

Don t forget that you can not cross domains because of security   So if this is the case  you should use JSON

User · Answer

You can get html out of an iframe using this code iframe   document getElementById  frame    innerHtml   iframe contentDocument documentElement innerHTML

User · Answer

You can use the contentDocument or contentWindow property for that purpose   Here is the sample code    function gethtml       const x   document getElementById  myframe     const y   x contentWindow    x contentDocument   const z   y document   y document   y   alert z body innerHTML      here  myframe is the id of your iframe   Note  You can t extract the content out of an iframe from a src outside you domain

User · Answer

If you take a look at JQuery  you can do something like    lt iframe id  my iframe      gt  lt  iframe gt       my iframe   contents   find  html   html      This is assuming that your iframe parent and child reside on the same server  due to the Same Origin Policy in Javascript

User · Answer

This solution works same as iFrame  I have created a PHP script that can get all the contents from the other website  and most important part is you can easily apply your custom jQuery to that external content  Please refer to the following script that can get all the contents from the other website and then you can apply your cusom jQuery JS as well  This content can be used anywhere  inside any element or any page    lt div id  myframe  gt      lt  php             Use below function to display final HTML inside this div             Display Frame    echo displayFrame         gt    lt  div gt    lt  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        lt script gt            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    hide        lt  script gt         Append Custom JS with HTML    html    content    customJS       Return customized HTML   return  html

User · Answer

document getElementById  iframe01   outerHTML

User · Answer

I think this is what you want   window frames  iframe01   document body innerHTML    EDIT   I have it on good authority that this won t work in Chrome and Firefox although it works perfectly in IE  which is where I tested it   In retrospect  that was a big mistake  This will work   window frames 0  document body innerHTML    I understand that this isn t exactly what was asked but don t want to delete the answer because I think it has a place     I like  ravz s jquery answer below

User · Answer

Having something like the following would work    lt iframe id    testframe  onload   populateIframe this id   gt  lt  iframe gt      The following function should be inside a script tag  function populateIframe id          var text    This is a Test  var iframe   document getElementById id     var doc    if iframe contentDocument         doc   iframe contentDocument     else       doc   iframe contentWindow document      doc body innerHTML   text

User · Answer

Conroy s answer was right  In the case you need only stuff from body tag  just use        my iframe   contents   find  body   html

User · Answer

You can get the source from another domain if you install the ForceCORS filter on Firefox  When you turn on this filter  it will bypass the security feature in the browser and your script will work even if you try to read another webpage  For example  you could open FoxNews com in an iframe and then read its source  The reason modern web brwosers deny this ability by default is because if the other domain includes a piece of JavaScript and you re reading that and displaying it on your page  it could contain malicious code and pose a security threat  So  whenever you re displaying data from another domain on your page  you must beware of this real threat and implement a way to filter out all JavaScript code from your text before you re going to display it  Remember  when a supposed piece of raw text contains some code enclosed within script tags  they won t show up when you display it on your page  nevertheless they will run  So  realize this is a threat   http   www-jo se f pfleger forcecors

[javascript] Javascript Iframe innerHTML

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