一段重新播放视频的restart代码

Question

<video id="video" autoplay="True" height="480" width="640">定义一个按钮 <button id="restart" type="button" >重新开始</button>js部分：var v = document.getElementById('video');function restart(){v.currentTime=20;}var restart = document.getElementById('restart')restart.addEventListener('click',function(){restart(v)})不起作用啊，点击重新开始按钮没反应，请问哪里有问题？谢谢

Answer 1

var v = document.getElementById('video');
function restart(){
v.currentTime=0; // 单位是秒
v.play(); // 视频播放
}