<video id="myVideo" src="video.mp4" />
function playVideo() {
var video = document.getElementById("myVideo");
video.play(); //播放視頻
setTimeout(stopVideo, 2000); //停止播放并設定為2秒后重新調用整個函數
}
function stopVideo() {
var video = document.getElementById("myVideo");
video.pause(); //暫停視頻
video.currentTime = 0; //將視頻重置為起始點
setTimeout(playVideo, 3000); //重新開始播放視頻
}