HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>oninput — range slider</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}input[type=range]{display:block;width:100%;max-width:280px;margin:.75rem 0}#output{padding:.75rem 1rem;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;font-size:.875rem;max-width:280px}</style>

</head>

<body>

  <h1>Range slider oninput</h1>

  <p>Drag the slider — the value updates on every input event.</p>

  <label for=rangeInput>Volume</label>

  <input type=range id=rangeInput min=0 max=100 value=50 oninput=updateValue(this.value)>

  <p id=output>Current Value: 50</p>



  <script>function updateValue(t){document.getElementById("output").textContent="Current Value: "+t}</script>

</body>

</html>

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HTML oninput Attribute — Range slider live value