视频记录历史播放位置效果
简介
每次打开页面视频从上一次的播放位置开始播放
利用lodash库做节流
代码
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>video {width: 800px;height: 400px;}</style></head><body><script src="https://cdn.bootcdn.net/ajax/libs/lodash.js/4.17.21/lodash.min.js"></script><video src="https://v.itheima.net/LapADhV6.mp4" controls></video><script>//视频节流const video = document.querySelector('video');//从本地存储拿取上次播放时长位置(function () {video.currentTime = localStorage.getItem('playTime')})()video.addEventListener('timeupdate', _.throttle(() =>{localStorage.setItem('playTime', video.currentTime)}, 1000))</script>
</body></html>