杂技..coursera开启双字幕
coursera开启双字幕
    var myvideo = document.getElementsByTagName('video')[0];
    for (var i = 0; i < myvideo.textTracks.length; i++) {
        ["en", "zh-CN"].indexOf(myvideo.textTracks[i].language) > -1 ? myvideo.textTracks[i].mode = "showing" : myvideo.textTracks[i].mode = "hidden";
    }
 
                    
                     
                    
                 
                    
                
 
                
            
         
         浙公网安备 33010602011771号
浙公网安备 33010602011771号