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<html><body>Get Image: <input type="file" id="myFile"><br><button onclick="disableBtn()">Disable File Upload</button><button onclick="undisableBtn()">Undisable File Upload</button><script>function disableBtn() { document.getElementById("myFile").disabled = true;}function undisableBtn() { document.getElementById("myFile").disabled = false;}</script></body></html>