I'm trying to get the contents of an <iframe> from another page.
The other page is a different website; I'm logged into that website and I get its contents and store it in the <iframe>.
How do I get the contents of that <iframe> into the current window ?
The short answer: you can not do it. Browsers restrict the interaction between content from different websites using the same origin policy.
Related
I want jquery or javascript to access DOM in Iframe.
For example, I make a iframe to show amazon.
then I wanna get a banner image link on amazon.
Can I do this?
and I have one more problem.
if I click amazon banner that is made a by _blank target on "a" Tag in a iframe,
browser make a new tab. but I wanna see a new page in a iframe.
You cannot do that if the origin of the iframe is different from the parent document :
https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy
Hi I am trying to select form tag using Jquery from the link below in chrome console:
http://www.dcoi-conference.org/#!registration/cpq5
I tried:
$("form")
This gives empty array
Here I see the form element is in iframe. Thus I also tried
$("iframe")[0].contents();
But was uanable to get any results.
Please help.
The form in that page is in an iframe that comes from a different origin than the page. So, the browser security model will not allow you to access the iframe DOM from the parent page.
Without moving the content out of that foreign domain or placing code into that foreign sourced iframe, there is no way to work around that security limitation from just the parent page.
Possible solutions:
Stop embedding an iframe from a foreign domain because there is no way to get to the content of a cross origin iframe. Put the content into your own page directly where you can access it freely.
Add code to the foreign domain that will cooperate with the parent page. Cooperating cross origin frames can communicate via window.postMessage(), but it requires cooperating code in both frames in both domains.
I have a iframe on my web page. is there a way or JS library I can use to know which word user click within the iframe?
In short, no.
In long, yes.
If the iFrame is loaded on the same sub-domain and domain name as the page that contains the iFrame (www.example.com), you can interact with it without doing anything special.
If your iFrame is loaded on the same domain, but a different sub-domain (sub1.example.com, sub2.example.com), put this line of javascript at the top of your javascript file, in both the iFrame page and the page that contains it:
document.domain = 'example.com';
This will make the iFrame "think" that it is ok to communicate through javascript.
If the iFrame is on an entirely different domain, there is nothing you can do.
I have a website with an iframe on one page that goes to an external URL (which I have no control over). I am trying to find a way to have all the links in the Iframe (not the entire page) open in a new window. I've tried a couple solutions with no luck. Is there a way I can target the iframe and use the HTML base tag?
Due to the Same Origin Policy, you can only modify the contents of an iframe if the domains and protocols match.
For example:
I have a main page with an iframe in it and my iframe contains a button. When I press the button inside the iframe some scripts are executed, and the design of iframe is changed. Texts appears and other stuff.
How do I detect when iframe scripts are run? (Or the button was pressed?)
The iframe is from a different domain.
If the contents of the iframe come from a different domain than the outside page, then you can't - the browser deliberately stops you from being able to tell much about what is going on inside the iframe. What you can do though is grab the URL the frame is pointing to if it changes.
If it's running in the same domain, you can just access the elements inside the iframe pretty much the same way as you would normally via the document property of the iframe
If the main page and the iframe are on the same domain, you can make the javascript in the iframe call a function or access the elements of the parent frame.
So at the end of the script in the iframe you can do
parent.script_is_finished();
If you have control over the script in the iframe, you could use window.postMessage to communicate with your main page, even if they are in different domains.
Support for this is limited to FF3+, IE8+, Chrome, Safari(5?), Opera10+
Here's a demo on html5demos.
As an update to the fact that the iframe is from a different domain:
Short answer: No. You can't detect clicks within an iframe from another domain.
Longer but still short answer: The reason you can't is the same reason you can change the contents of the iframe -- it'd be a security risk unless the iframe is on the same domain. You simply can't track user activity within an iframe sourced from a different domain.
Sorry, but I hope that helped!