> > [1] video can start > https://codepen.io/alwu/pen/JjdEvmW So here there is just the about:blank I think > > [2] video can't start > https://codepen.io/alwu/pen/rNVyPyL Here iframeDoc points to the about:blank but then a new document replaces it once javascript: is loaded.
Bug 1611748 Comment 11 Edit History
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> > [1] video can start > https://codepen.io/alwu/pen/JjdEvmW So here there is just the about:blank I think > > [2] video can't start > https://codepen.io/alwu/pen/rNVyPyL Here iframeDoc points to the about:blank but then a new document replaces it once javascript: is loaded. Hmm, but I see video playing in both cases. But I see video playing in both cases