[Qtwebengine] How to get real html source in page with ajax?

[Nemo]

I use webengine to view youtube page, scroll the page to bottom and see the comment which use ajax, than I use view->page()->toHtml(***) to get html source, but I found that there is no ajax part (the comment)  in html source.


How can I get real html source in page with ajax? Thanks!
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