We often use onclick and onchange but here's a scenario where oninput is used to trigger a change in the range value.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>oninput range</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
<script>
changeAge = (e) =>
{
document.getElementById('span_age').innerHTML =
document.getElementById('span_age_center').innerHTML =
e.target.value;
}
</script>
</head>
<body>
<div class="container mt-5">
<div class="form-group row">
<label for="age" class="col-sm-2 col-form-label">Age (<span id="span_age">10</span>)</label>
<div class="col-sm-10 d-flex">
<div style="width:20px">5</div>
<input type="range" class="form-control-range" id="age" name="age" min="5" max="18" value="10" oninput="changeAge(event)" style="margin-top:-10px;" />
<div class="text-center" style="width:30px">18</div>
</div>
<div class="col-sm-12 text-center">
<span id="span_age_center">10</span>
</div>
</div>
</div>
</body>
</html>
