51help TIY
码：
<!DOCTYPE html> <html> <body> <button onclick="enableMute()" type="button">关闭声音</button> <button onclick="disableMute()" type="button">打开声音</button> <button onclick="checkMute()" type="button">态</button> <br /> <br /> <video id="video1" controls="controls"> <source src="../example/html5/mov_bbb.mp4" tppabs="http://www.51help.tk/example/html5/mov_bbb.mp4" type="video/mp4"> <source src="../example/html5/mov_bbb.ogg" tppabs="http://www.51help.tk/example/html5/mov_bbb.ogg" type="video/ogg"> Your browser does not support HTML5 video. </video> <script> myVid=document.getElementById("video1"); function enableMute() { myVid.muted=true; } function disableMute() { myVid.muted=false; } function checkMute() { alert(myVid.muted); } </script> </body> </html>
查看结果: