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<html><body>Select a file to upload:<input type="file" id="myFile" size="50"><p>Click the button below to specify that the server should only accept audio and video files in the file upload.</p><button onclick="myFunction()">Change accepted file types</button><p id="demo"></p><script>function myFunction() { document.getElementById("myFile").accept = "audio/*,video/*"; document.getElementById("demo").innerHTML = "The accepted file types have been set. Click 'Choose File' to see the effect.";}</script></body></html>