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<!DOCTYPE html> <html> <body> <p>Click the buttons to create a VIDEO element, one with autoplay set to true, and one with autoplay set to false.</p> <button onclick="myFunction(true)">Video with autoplay</button> <button onclick="myFunction(false)">Video without autoplay</button> <br> <script> function myFunction(p) { var x = document.createElement("VIDEO"); x.setAttribute("id", "myVideo"); x.setAttribute("controls", "controls"); var y = document.createElement("SOURCE"); y.setAttribute("src", "movie.mp4"); y.setAttribute("type", "video/mp4"); x.appendChild(y); var z = document.createElement("SOURCE"); z.setAttribute("src", "movie.ogg"); z.setAttribute("type", "video/ogg"); x.appendChild(z); // Set the autoplay property: x.autoplay = p; document.body.appendChild(x); } </script> </body> </html>