Enable autoplay, and reload the video:
<!DOCTYPE html> <html> <body> <video id="myVideo" width="100" height="100" controls> <source src="video.mp4" type="video/mp4"> <source src="video.ogg" type="video/ogg"> Your browser does not support the video tag. </video><br> <p id="demo"></p> <button onclick="enableAutoplay()" type="button">Enable autoplay</button> <button onclick="disableAutoplay()" type="button">Disable autoplay</button> <button onclick="checkAutoplay()" type="button">Check autoplay status</button> <script> var x = document.getElementById("myVideo"); function enableAutoplay() {// w w w . j a va 2 s. co m x.autoplay = true; x.load(); } function disableAutoplay() { x.autoplay = false; x.load(); } function checkAutoplay() { document.getElementById("demo").innerHTML =x.autoplay; } </script> </body> </html>