javascript 獲得以秒計的視頻時長
阿新 • • 發佈：2019-03-18
video click duration ctype aud height ava 訪問 controls
<!DOCTYPE html> <html> <body> <h3>演示如何訪問 VIDEO 元素</h3> <video id="myVideo" width="320" height="240" controls> <source src="/i/movie.mp4" type="video/mp4"> <source src="/i/movie.ogg" type="video/ogg"> Your browser does not support the video tag.</video> <p>請點擊按鈕來獲得以秒計的視頻時長。</p> <p id="demo"></p> <button onclick="myFunction()">試一下</button> <script> function myFunction() { var x = document.getElementById("myVideo").duration; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
javascript 獲得以秒計的視頻時長