<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <video id="media" src="http://200021507.vod.myqcloud.com/200021507_8a9451f48f8711e6b4f5452017aa0113.f30.mp4" controls width="400px" heigt="400px"></video> <script> // var md=document.getElementsByName("video"); var md=document.getElementsByTagName("video")[0]; if(md.ended){ console.log("結束"); } md.addEventListener("ended",function(){ console.log("結束"); }) </script> </body> </html>