HTML 中當媒體長度發生變化時執行一個指令碼?
ondurationchange 屬性可在 HTML 中音訊/影片的長度發生變化時觸發。
示例
你可以嘗試執行以下程式碼來實現 ondurationchange 屬性 -
<!DOCTYPE HTML> <html> <body> <video width = "300" height = "200" controls ondurationchange = "display(this)"> <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> <script> function display(vLength) { alert("Video Length: " + vLength.duration + " seconds"); } </script> </body> </html>
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