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<html><body><input type="range" id="myRange"><br><br><button onclick="disableBtn()">Disable Slider Control</button><button onclick="undisableBtn()">Undisable Slider Control</button><script>function disableBtn() { document.getElementById("myRange").disabled = true;}function undisableBtn() { document.getElementById("myRange").disabled = false;}</script></body></html>