js控制video的播放和暂停

  var videoEl = document.querySelector('video')

             videoEl.addEventListener('play', function () {

                 var vTime = videoEl.currentTime

                 if (vTime > 12) {  //视频播放到12秒需要执行操作 

                     videoEl.currentTime = 0

                 }

              if (vTime == total_vtime) {

                          //视频播放完需要执行操作

                        }

             })

             videoEl.addEventListener('timeupdate', function () {

                 var vTime = videoEl.currentTime;

                 var total_vtime = videoEl.duration;

                 if (vTime ==total_vtime) {

                    //视频播放完需要执行操作

                     //videoEl.currentTime = 0

                     //videoEl.pause()//播放暂停

                 }

             })