Snatching the lesson found within an iframe

Is it possible to obtain the id from an iframe using the following method?

var iFrame = window.top.document.getElementById('window_<?php echo $_product->getId() ?>_content');

However, I am struggling to understand how to retrieve the class of the iframe. The site also has the prototype library loaded, but I am unsure how to use the $ selector to target an element in window.top.

I need to do this because the id is generated differently on the site and does not suit my requirements.

I have started experimenting with

var iFrame = window.top.document.getElementsByClassName('theIframe');

but so far, it has not been successful...

Do you have any suggestions on how I can access the class name of the iFrame? How can I use the prototype selector to reach the top level?

javascriptiframeprototypejs

Answer №1

The following code snippet retrieves the class:

window.top.document.getElementById('window_<?php echo $_product->getId() ?>_content').className

Alternatively, if you have stored the iframe element in a variable, you can access the class like this:

iFrame.className

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