iPhone Safariだとaudio/videoタグのautoplay, autobuffer属性が効かない - 超自己満足プログラミングResources - Safari - Apple Developer の User Control of Downloads Over Cellular Networks」の部分 In Safari on iPhone OS (for all devices, including iPad), where the user may be on a cellular network and be charged per data unit, autobuffering and autoplay are disabled. No data is loaded until the user initiates it. This means the JavaScript play() and load() methods are also inactive until the user ini
