HTML 中,在播放速率每次改变时执行一个脚本?
在 HTML 中,使用 onratechange 属性在 HTML 中播放速率每次改变时执行一个脚本。
示例
你可以尝试运行以下代码来实现 onratechange 属性 −
<!DOCTYPE html> <html> <body> <video id = "myid" width = "320" height = "176" controls onratechange = "display()"> <source src = "/html5/foo.ogg" type = "video/ogg" /> <source src = "/html5/foo.mp4" type = "video/mp4" /> Your browser does not support the video element. </video> <p id="test">Change the speed of the video</p> <input type = "range" min = "0.1" max = "3" step = "0.2" value = "1"oninput = "update(this)"> <script> function display() { document.getElementById("test").innerHTML = "Speed: " + document.getElementById("myid").playbackRate; } function update(ob) { document.getElementById("myid").playbackRate = ob.value; } </script> </body> </html>
输出
广告