function updateRange1(val) { document.getElementById("output").value = val; document.getElementById("range_2").value = val; } function updatetext(val) { document.getElementById("range_1").value = val; document.getElementById("range_2").value = val; } function updateRange2(val) { document.getElementById("output").value = val; document.getElementById("range_1").value = val; }

Input Range Control

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