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[code="java"] HTML5 Header Subtitle HTML5 Rocks! Nav Link 1 Link 2 Link 3 ...

改代码功能为： 每隔5秒就会捕捉视频的一帧，并将其放在旁边的4*4的canvas上，当点击旁边canvas的帧时，视 频就会回到该帧重新播放。 [code="java"] var updateInterval = 1000; var frameWidth = 100; var frameHeight = 75; var ...

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var updateInterval = 1000; var frameWidth = 100; var frameHeight = 75; var frameRows = 4; var frameColums = 4; var frameGrid = frameRows * frameColums; var frameCount = 0; var intervalId; var videoStarted = false; fun