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For the following iframe code:
<iframe src="testA.html" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>
Inside testA.html, how do I tell if the webkitAllowFullScreen attribute is included using javascript?
This is the most robust solution:
It utilizes
window.frameElement, which returns the DOM node of the parent framing element, which you can then make ahasAttributecall against.