chrome could play html5 mp4 video but html5test said chrome did not support mp4 video codec
问题 According to html5test.com , chrome does not support html5 mp4 video (see following link). http://html5test.com/compare/feature/video-mpeg4.html However, in this test page , the mp4 video could be played successfully by setting the body as following: <!DOCTYPE html> <html> <body> <video width="320" height="240" controls="controls"> <source src="movie.mp4" type="video/mp4" /> Your browser does not support the video tag. </video> </body> </html> How can I interpret this correctly? 回答1: .mp4 is