javascript - Possible Ways to Communicate Between iFrame and Parent Page across domains - Stack Overflow

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Please suggest possible techniques to trigger events in parent page from an iFrame. I tried out url Hashing and using window.postMessage techniques but without any success.

Please suggest possible techniques to trigger events in parent page from an iFrame. I tried out url Hashing and using window.postMessage techniques but without any success.

• javascript
• iframe
• triggers
• cross-domain

Share Improve this question Follow edited May 2, 2011 at 6:01 Gabe 86.8k1212 gold badges143143 silver badges238238 bronze badges asked May 5, 2010 at 7:51 SKRSKR 81344 gold badges2020 silver badges3333 bronze badges

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4 Answers 4

Sorted by: Reset to default 3

easyXDM is designed for this exact purpose. You can find it at http://easyxdm and it has quite a few examples.

To sum it up, it allows two windows to municate 'freely' using either strings or RPC calls.

See http://consumer.easyxdm/current/example/methods.html for one of the RPC-demos.

No success because you cannot for security reasons.

The modern answer to this question is the new cross-document messaging (Web Messaging API)

See Opera's introduction here:

http://dev.opera./articles/view/window-postmessage-messagechannel/

Or the specification here: http://www.w3/TR/webmessaging/

The only idea that es to mind is to have a script on server side that the iFrame sends its events to (bined with a unique ID) and that the parent page can poll (either through a server script on its domain, or JSONP). That's a lot of work to do, though, and requires cooperation from both the parent page and the iframe.

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