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play 可用于在有信号源的播放器上开始播放。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
myPlayer.play();
});pause 可以用来暂停正在播放的播放器的播放。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
myPlayer.play();
myPlayer.pause();
});paused 可用于确定播放器当前是否暂停。
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
// true
console.log(myPlayer.paused());
// false
console.log(!myPlayer.paused());
myPlayer.play();
// false
console.log(myPlayer.paused());
// true
console.log(!myPlayer.paused());
myPlayer.pause();
// true
console.log(myPlayer.paused());
// false
console.log(!myPlayer.paused());
});currentTime 将显示当前播放的时间（以秒为单位）。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
// set current time to 2 minutes into the video
myPlayer.currentTime(120);
// get the current time, should be 120 seconds
var whereYouAt = myPlayer.currentTime();
});duration 将显示正在播放的视频的总持续时间。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
var lengthOfVideo = myPlayer.duration();
});remainTime（剩余时间）会显示视频中剩余的秒数。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
myPlayer.currentTime(10);
// should be 10 seconds less than duration
console.log(myPlayer.remainingTime());
});buffered 将为您提供一个 timeRange 对象，该对象代表当前时间范围，可在未来某个时间播放。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
var bufferedTimeRange = myPlayer.buffered();
// number of different ranges of time have been buffered.
// Usually 1
var numberOfRanges = bufferedTimeRange.length,
// Time in seconds when the first range starts.
// Usually 0
var firstRangeStart = bufferedTimeRange.start(0),
// Time in seconds when the first range ends
var firstRangeEnd = bufferedTimeRange.end(0),
// Length in seconds of the first time range
var firstRangeLength = firstRangeEnd - firstRangeStart;
});bufferedPercent 会显示当前缓冲视频的百分比。例如：
var myPlayer = videojs('some-player-id');
myPlayer.src({type: 'video/mp4', src: 'http://www.example.com/path/to/video.mp4'});
myPlayer.ready(function() {
// example 0.11 aka 11%
var howMuchIsDownloaded = myPlayer.bufferedPercent();
});
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