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Tried to embed the code of KNQuiz on Google Sites without success
because Google Sites only allows you to embed in the form of an iframe.
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"Full Page Embed" of Google Sites allows you to embed KNQuiz on Google Sites page.
It's still in an iframe but it can streatch and behave in a responsive design way.
However, we found out that the auto scrolling feature when opening Google form does not
function properly.

The problem is that `document.documentElement.scrollTop` in the following code
will always returns 0.
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	function scrollToElement(el,pos){
		pos=pos?pos:0;
		const rect=el.getBoundingClientRect();
		const y=rect.y;
		if(y<pos){
			const top=document.documentElement.scrollTop+y-pos;
			window.scroll({
				top:top,
				left:0,
				behavior:"smooth"
			});
		}
	};
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The reason is that "Full Page Embed" of Google Sites uses double iframes to contain the content.
The iframe that closer to the content never has a scroll bar, therefore, scrollTop is always 0.
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An alternative idea is use <a href="#..."></a> and <a id="..."></a> to scroll the content.
But this one has also a problem. In a Google Sites page, Any internal links will be converted to
something like:
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https://2039727744-atari-embeds.googleusercontent.com/embeds/16cb204cf3a9d4d223a0a3fd8b0eec5d/inner-frame-minified.html?jsh=m%3B%2F_%2Fscs%2Fabc-static%2F_%2Fjs%2Fk%3Dgapi.lb.en.pGGAptgAK4s.O%2Fam%3DAAAg%2Fd%3D1%2Frs%3DAHpOoo-Cic-4VdRMZ7mFCYOA3wzpF7O-6g%2Fm%3D__features__#this-is-the-beginning
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There is a rant about this matter in reddit:
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https://www.reddit.com/r/GoogleSites/comments/10rh1g4/jump_to_section_on_any_google_site_page/
The problem I have with these on Google Sites though is when you make jump links for sections ON THE SAME PAGE. You expect them to gracefully scroll up or down to those links, BUT they end up opening in a new page tab at that link location instead. Makes for crappy usability.
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It looks like auto scroll should be disabled for Google Sites
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