Want to update attribute of parent iframe from child iframe

Question

I have following code

index.html

<html> <div id="updateMe">Old Data</div> <iframe src="test.html"> </iframe> </html>

test.html

<html> <input type="button" value="UpdateToParent Frame"> </html>

I can use jquery and javascript

What's the problem? Getting a reference to a parent window? Finding #updateMe? Changing the content of #updateMe? Something else? — Teemu
– Teemu, Commented Nov 14, 2013 at 15:01

BillyBigPotatoes · Accepted Answer · 2013-11-14 17:04:59Z

This is an area that has many security considerations around it - it is possible to send an event to a parent window via javascript using parent.postMessage

David Walsh has a great example on his blog:

http://davidwalsh.name/window-iframe

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