html5在屏幕上显示track信息
<!DOCTYPE html> <html lang="en"> <head> <title>Working with Tracks</title> <style> #player, #info{ float: left; } </style> <script> function initiate(){ var list = ""; var info = document.getElementById('info'); var mytrack = document.getElementById('mytrack'); var obj = mytrack.track; list += "<br>Kind: " + obj.kind; list += "<br>Label: " + obj.label; list += "<br>Language: " + obj.language; info.innerHTML = list; } addEventListener('load', initiate); </script> </head> <body> <section id="player"> <video id="media" width="720" height="400" controls> <source src="trailer.mp4"> <source src="trailer.ogg"> <track id="mytrack" label="English Subtitles" src="subtitles.vtt" srclang="en" default> </video> </section> <aside id="info"></aside> </body> </html> <!--该代码片段来自于: http://www.sharejs.com/codes/html/8312-->